Subcortical Ischemic Vascular Disease

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 9 min read
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Subcortical Ischemic Vascular Disease, often referred to as SIVD, is a condition that affects the small blood vessels deep within the brain. It can lead to various health issues, including cognitive problems and strokes. In this article, we'll break down everything you need to know...

For severe symptoms, danger signs, pregnancy, child illness, or sudden worsening, seek urgent medical care.

বাংলা রোগী নোট এখনো যোগ করা হয়নি। পোস্ট এডিটরে “RX Bangla Patient Mode” বক্স থেকে সহজ বাংলা সারাংশ যোগ করুন।

এই তথ্য শিক্ষা ও সচেতনতার জন্য। এটি ডাক্তারি পরীক্ষা, রোগ নির্ণয় বা প্রেসক্রিপশনের বিকল্প নয়।

Article Summary

Subcortical Ischemic Vascular Disease, often referred to as SIVD, is a condition that affects the small blood vessels deep within the brain. It can lead to various health issues, including cognitive problems and strokes. In this article, we'll break down everything you need to know about SIVD in plain, easy-to-understand language. Types of Subcortical Ischemic Vascular Disease: Strategic Infarct: This type involves damage to specific...

Key Takeaways

  • This article explains Causes of Subcortical Ischemic Vascular Disease: in simple medical language.
  • This article explains Symptoms of Subcortical Ischemic Vascular Disease: in simple medical language.
  • This article explains Diagnostic Tests for Subcortical Ischemic Vascular Disease: in simple medical language.
  • This article explains Treatments for Subcortical Ischemic Vascular Disease: in simple medical language.
Educational health guideWritten for patient understanding and clinical awareness.
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Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

  • Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
  • New weakness, severe pain, high fever, or symptoms after a serious injury.
  • Any symptom that feels urgent, unusual, or unsafe for the patient.
1

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Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

2

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

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Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

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Definition

Subcortical Ischemic Vascular Disease, often referred to as SIVD, is a condition that affects the small blood vessels deep within the brain. It can lead to various health issues, including cognitive problems and strokes. In this article, we’ll break down everything you need to know about SIVD in plain, easy-to-understand language.

Types of Subcortical Ischemic Vascular Disease:

  1. Strategic Infarct:
    • This type involves damage to specific areas of the brain due to reduced blood flow, leading to cognitive and motor issues.
  2. Small Vessel Disease (SVD):
    • SVD is a broader category encompassing various subtypes, all involving damage to small blood vessels in the brain.
  3. White Matter Disease:
    • White matter is a part of the brain responsible for connecting different regions. Damage to white matter can cause communication issues within the brain.

Causes of Subcortical Ischemic Vascular Disease:

  1. Hypertension (High Blood Pressure):
    • Persistent high blood pressure can damage blood vessels, increasing the risk of SIVD.
  2. insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।" data-rx-term="diabetes" data-rx-definition="Diabetes is a condition where blood sugar stays too high because insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।">Diabetes:
    • Poorly managed insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।" data-rx-term="diabetes" data-rx-definition="Diabetes is a condition where blood sugar stays too high because insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।">diabetes can harm blood vessels and contribute to SIVD development.
  3. Aging:
    • As we age, our blood vessels can become less flexible, making them more prone to damage.
  4. Smoking:
    • Smoking damages blood vessels and raises the risk of SIVD.
  5. High Cholesterol:
    • Elevated cholesterol levels can lead to the buildup of plaque in blood vessels, restricting blood flow to the brain.
  6. Genetics:
    • A family history of vascular diseases can increase your susceptibility to SIVD.
  7. Obesity:
    • Being overweight can tendon. সহজ বাংলা: মাংসপেশি/টেনডনে টান।" data-rx-term="strain" data-rx-definition="A strain is injury to a muscle or tendon. সহজ বাংলা: মাংসপেশি/টেনডনে টান।">strain blood vessels and contribute to SIVD.
  8. Lack of Physical Activity:
    • A sedentary lifestyle can increase the risk of vascular problems.
  9. Excessive Alcohol Consumption:
    • Drinking too much alcohol can harm blood vessels and increase SIVD risk.
  10. Atrial Fibrillation:
    • Irregular heart rhythms like atrial fibrillation can cause blood clots, which may lead to SIVD.
  11. Sleep Apnea:
    • Sleep apnea, a condition where breathing temporarily stops during sleep, can affect blood oxygen levels and contribute to SIVD.
  12. Autoimmune Diseases:
    • Conditions like lupus or vasculitis can cause infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation in blood vessels, increasing the risk of SIVD.
  13. Infections:
    • Certain infections, such as HIV, can damage blood vessels.
  14. Migraines:
    • Frequent migraines with aura may be associated with a higher SIVD risk.
  15. High Homocysteine Levels:
    • Elevated homocysteine levels can damage blood vessel walls.
  16. Radiation Therapy:
    • Previous radiation treatment to the head or neck can increase the risk of SIVD.
  17. Hypercoagulable States:
    • Conditions that make blood more prone to clotting can contribute to SIVD.
  18. Drug Abuse:
    • Certain recreational drugs can harm blood vessels and increase SIVD risk.
  19. Environmental Factors:
    • Exposure to toxins and pollutants can damage blood vessels over time.
  20. Head Trauma:
    • Severe head injuries can disrupt blood flow in the brain, potentially leading to SIVD.

Symptoms of Subcortical Ischemic Vascular Disease:

  1. Memory Problems:
    • Difficulty remembering things or forgetfulness.
  2. Difficulty Concentrating:
    • Trouble focusing on tasks or conversations.
  3. Mood Changes:
    • Emotional fluctuations, such as depression or irritability.
  4. Walking Difficulties:
    • Unsteady gait or problems with balance.
  5. Speech Problems:
    • Difficulty finding the right words or slurred speech.
  6. Weakness or Numbness:
    • In the face, arm, or leg, usually on one side of the body.
  7. Tremors:
    • Involuntary shaking of the hands or other body parts.
  8. Bladder or Bowel Issues:
    • Difficulty controlling urination or bowel movements.
  9. Visual Disturbances:
    • Blurred vision, double vision, or difficulty seeing objects clearly.
  10. Headaches:
    • Frequent headaches, especially migraines.
  11. Dizziness:
    • Feeling lightheaded or dizzy.
  12. Fatigue:
    • Persistent tiredness, even with adequate rest.
  13. Changes in Behavior:
    • Unusual behavior or personality changes.
  14. Sleep Disturbances:
    • Difficulty sleeping or excessive daytime sleepiness.
  15. Difficulty Swallowing:
    • Trouble with swallowing or choking.
  16. Emotional Incontinence:
    • Inappropriate emotional responses, such as uncontrollable laughter or crying.
  17. Loss of Sense of Smell or Taste:
    • A diminished or altered sense of smell or taste.
  18. Reduced Libido:
    • Decreased sexual desire.
  19. Hallucinations:
    • Seeing or hearing things that aren’t there.
  20. Apathy:
    • A lack of interest or motivation in activities.

Diagnostic Tests for Subcortical Ischemic Vascular Disease:

  1. MRI (Magnetic Resonance Imaging):
    • This imaging technique can provide detailed pictures of the brain’s blood vessels and detect SIVD-related changes.
  2. CT Scan (Computed Tomography):
    • CT scans can help identify areas of brain damage caused by reduced blood flow.
  3. Cerebral Angiography:
    • A contrast dye is injected into blood vessels, allowing doctors to see blood flow and potential blockages.
  4. Blood Tests:
    • Blood tests can reveal risk factors like high cholesterol, insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।" data-rx-term="diabetes" data-rx-definition="Diabetes is a condition where blood sugar stays too high because insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।">diabetes, or clotting disorders.
  5. Mini-Mental State Examination (MMSE):
    • A cognitive assessment to evaluate memory and thinking abilities.
  6. Neuropsychological Testing:
    • Comprehensive tests to assess cognitive functions.
  7. Cerebral Blood Flow Studies:
    • Measures blood flow in the brain to identify areas with reduced flow.
  8. Electroencephalogram (EEG):
    • Measures electrical activity in the brain, helpful in diagnosing seizures or other abnormalities.
  9. Lumbar Puncture (Spinal Tap):
    • Cerebrospinal fluid analysis can reveal signs of infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation or infection.
  10. Carotid Doppler Ultrasound:
    • Checks for blockages or narrowing in the carotid arteries that supply blood to the brain.
  11. Positron Emission Tomography (PET):
    • Evaluates brain function and blood flow patterns.
  12. Single Photon Emission Computed Tomography (SPECT):
    • Measures blood flow in different brain regions.
  13. Diffusion Tensor Imaging (DTI):
    • Provides information about white matter integrity.
  14. Neuroimaging with Contrast:
    • Enhanced MRI or CT scans with contrast agents to highlight blood vessel abnormalities.
  15. Carotid Artery Angioplasty and Stenting:
    • Invasive procedure to open narrowed carotid arteries.
  16. Transcranial Doppler Ultrasound (TCD):
    • Measures blood flow velocity in brain vessels.
  17. Cognitive Function Tests:
    • Assess specific cognitive skills, such as memory or language.
  18. Genetic Testing:
    • Identifies genetic factors that may increase SIVD risk.
  19. Visual Field Testing:
    • Evaluates vision and potential optic nerve damage.
  20. Electromyography (EMG) and Nerve Conduction Studies:
    • Tests nerve and muscle function, helpful in diagnosing peripheral pain, numbness, tingling, or weakness. সহজ বাংলা: স্নায়ুর ক্ষতি/সমস্যা।" data-rx-term="neuropathy" data-rx-definition="Neuropathy means nerve damage or irritation causing pain, numbness, tingling, or weakness. সহজ বাংলা: স্নায়ুর ক্ষতি/সমস্যা।">neuropathy.

Treatments for Subcortical Ischemic Vascular Disease:

  1. Lifestyle Changes:
    • Adopt a heart-healthy diet, exercise regularly, quit smoking, and limit alcohol consumption.
  2. Medications to Control Risk Factors:
    • Your doctor may prescribe medication to manage conditions like high blood pressure, diabetes, or high cholesterol.
  3. Antiplatelet Drugs:
    • Medications like aspirin can reduce the risk of blood clots.
  4. Anticoagulants:
    • Blood thinners may be prescribed for individuals with atrial fibrillation or other clotting disorders.
  5. Cholinesterase Inhibitors:
    • These drugs can help manage cognitive symptoms in some cases.
  6. Physical Therapy:
    • A physical therapist can help improve mobility and balance.
  7. Occupational Therapy:
    • Occupational therapists assist in maintaining daily living skills.
  8. Speech Therapy:
    • Speech therapists help manage communication difficulties.
  9. Psychological Support:
    • Counseling or therapy can help individuals and their families cope with emotional challenges.
  10. Vascular Surgery:
    • In severe cases, surgery may be necessary to repair damaged blood vessels.
  11. Carotid Endarterectomy:
    • Surgical removal of plaque from carotid arteries to prevent stroke.
  12. Deep Brain Stimulation (DBS):
    • An emerging treatment option to manage cognitive and motor symptoms.
  13. Experimental Therapies:
    • Some individuals may participate in clinical trials for potential new treatments.
  14. Dietary Supplements:
    • Certain supplements, like folic acid or vitamin B12, may be recommended to support brain health.
  15. Blood Pressure Monitoring:
    • Regular monitoring and management of blood pressure are crucial.
  16. Diabetes Management:
    • Strict blood sugar control is essential for those with diabetes.
  17. Weight Management:
    • Maintaining a healthy weight reduces the risk of further vascular damage.
  18. Sleep Apnea Treatment:
    • Managing sleep apnea with a CPAP machine can improve oxygen levels.
  19. Pain Management:
    • Pain relief medications may be necessary for individuals with severe headaches or neuropathy.
  20. Hospice Care:
    • In advanced cases, hospice care can provide comfort and support for individuals and their families.

Medications for Subcortical Ischemic Vascular Disease:

  1. Aspirin:
    • An antiplatelet drug that reduces the risk of blood clots.
  2. Clopidogrel (Plavix):
    • Another antiplatelet medication to prevent blood clot formation.
  3. Warfarin (Coumadin):
    • An anticoagulant that helps prevent blood clots, often used in atrial fibrillation.
  4. Cholinesterase Inhibitors:
    • Medications like Donepezil (Aricept) or Rivastigmine (Exelon) may help manage cognitive symptoms.
  5. Memantine (Namenda):
    • Used to treat moderate to severe dementia.
  6. Antidepressants:
    • Medications like Sertraline (Zoloft) or Citalopram (Celexa) can help manage mood disorders.
  7. Antipsychotic Drugs:
    • May be prescribed to manage severe behavioral or psychiatric symptoms.
  8. Blood Pressure Medications:
    • Various medications, such as ACE inhibitors or beta-blockers, are used to control blood pressure.
  9. Cholesterol-Lowering Drugs:
    • Statins like Atorvastatin (Lipitor) can reduce high cholesterol levels.
  10. Pain Medications:
    • Over-the-counter or prescription pain relievers may be used to manage headaches or neuropathic pain.
  11. Anti-Anxiety Medications:
    • Medications like Alprazolam (Xanax) can help manage anxiety symptoms.
  12. Medications for Sleep Disorders:
    • Sleep aids or medications to treat sleep apnea may be prescribed.
  13. Vitamin Supplements:
    • Folic acid, vitamin B12, or other supplements may be recommended to support brain health.
  14. Bowel Medications:
    • Medications to manage bowel problems or incontinence.
  15. Bladder Medications:
    • Medications to address urinary issues or incontinence.
  16. Anti-Tremor Medications:
    • Drugs like Propranolol may help control tremors.
  17. Pain Relief Patches:
    • Transdermal patches may provide continuous pain relief.
  18. Cough Medicine:
    • Medications to manage coughing, which can be a side effect of some SIVD treatments.
  19. Nausea Medications:
    • Drugs to alleviate nausea and vomiting.
  20. Medications for Emotional Symptoms:
    • Medications to manage emotional incontinence, hallucinations, or other psychiatric symptoms.

In summary, Subcortical Ischemic Vascular Disease is a complex condition that affects the small blood vessels in the brain. It can lead to a wide range of symptoms, and its development can be influenced by various factors. Early diagnosis and appropriate treatment are crucial in managing the condition and improving the quality of life for individuals affected by SIVD. If you or someone you know is experiencing any of the symptoms mentioned, seek medical attention promptly to receive the necessary care and support.

 

Disclaimer: Each person’s journey is unique, treatment plan, life style, food habit, hormonal condition, immune system, chronic disease condition, previous medical  history is also unique. So always seek the best advice from a qualified medical professional or health care provider before trying any treatments to ensure to find out the best plan for you. This guide is for general information and educational purposes only. If you or someone are suffering from this disease condition bookmark this website or share with someone who might find it useful! Boost your knowledge and stay ahead in your health journey. Thank you for giving your valuable time to read the article.

  1. https://medlineplus.gov/skinconditions.html
  2. https://www.aad.org/about/burden-of-skin-disease
  3. https://www.usa.gov/federal-agencies/national-institute-of-arthritis-musculoskeletal-and-skin-diseases
  4. https://www.cdc.gov/niosh/topics/skin/default.html
  5. https://www.skincancer.org/
  6. https://illnesshacker.com/
  7. https://endinglines.com/
  8. https://www.jaad.org/
  9. https://www.psoriasis.org/about-psoriasis/
  10. https://books.google.com/books?
  11. https://www.niams.nih.gov/health-topics/skin-diseases
  12. https://cms.centerwatch.com/directories/1067-fda-approved-drugs/topic/292-skin-infections-disorders
  13. https://www.fda.gov/files/drugs/published/Acute-Bacterial-Skin-and-Skin-Structure-Infections—Developing-Drugs-for-Treatment.pdf
  14. https://dermnetnz.org/topics
  15. https://www.aaaai.org/conditions-treatments/allergies/skin-allergy
  16. https://www.sciencedirect.com/topics/medicine-and-dentistry/occupational-skin-disease
  17. https://aafa.org/allergies/allergy-symptoms/skin-allergies/
  18. https://www.nibib.nih.gov/
  19. https://rxharun.com/resources/category/resources/rxharun/article-types/skin-care-beauty/skin-diseases-types-symptoms-treatment/
  20. https://www.nei.nih.gov/
  21. https://en.wikipedia.org/wiki/List_of_skin_conditions
  22. https://en.wikipedia.org/?title=List_of_skin_diseases&redirect=no
  23. https://en.wikipedia.org/wiki/Skin_condition
  24. https://oxfordtreatment.com/
  25. https://www.nidcd.nih.gov/health/
  26. https://consumer.ftc.gov/articles/w
  27. https://www.nccih.nih.gov/health
  28. https://catalog.ninds.nih.gov/
  29. https://www.aarda.org/diseaselist/
  30. https://www.ninds.nih.gov/Disorders/Patient-Caregiver-Education/Fact-Sheets
  31. https://www.nibib.nih.gov/
  32. https://www.nia.nih.gov/health/topics
  33. https://www.nichd.nih.gov/
  34. https://www.nimh.nih.gov/health/topics
  35. https://www.nichd.nih.gov/
  36. https://www.niehs.nih.gov
  37. https://www.nimhd.nih.gov/
  38. https://www.nhlbi.nih.gov/health-topics
  39. https://obssr.od.nih.gov/
  40. https://www.nichd.nih.gov/health/topics
  41. https://rarediseases.info.nih.gov/diseases
  42. https://beta.rarediseases.info.nih.gov/diseases
  43. https://orwh.od.nih.gov/

 

Doctor visit helper

Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Avoid heavy lifting, sudden bending, and prolonged bed rest.
  • Use comfortable posture and gentle movement as tolerated.
  • Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

  • For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
  • Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Orthopedic / spine specialist, physical medicine doctor, or qualified clinician
Tests to discuss with doctor
  • Neurological examination for leg power, sensation, reflexes, and straight leg raise
  • X-ray only if injury, deformity, long-lasting pain, or doctor suspects bone problem
  • MRI discussion if severe nerve symptoms, weakness, bladder/bowel problem, or persistent symptoms
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?
  • Is physiotherapy, posture correction, or activity modification needed?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Subcortical Ischemic Vascular Disease

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

RX Patient Help

Ask a health question safely

Write your symptom story. A health professional or site editor can review it before any answer is prepared. This box is not for emergency care.

Emergency first: Severe chest pain, breathing trouble, unconsciousness, stroke signs, severe injury, heavy bleeding, or rapidly worsening symptoms need urgent local medical care now.

Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.

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  2. Complete Atrioventricular Septal Defect (Complete AVSD)

    DefinitionComplete atrioventricular septal defect (complete AVSD) is a serious heart problem that a baby is born with. [1] In this problem, there is a big hole...

    February 28, 2026 • Cardiovascular and Respiratory Disease (A - Z)
  3. Atrioventricular Canal–Type Ventricular Septal Defect

    DefinitionAtrioventricular canal–type ventricular septal defect is a special kind of hole in the wall between the two lower chambers of the heart (the ventricles) that sits...

    February 28, 2026 • Cardiovascular and Respiratory Disease (A - Z)
  4. Coccidioidomycosis

    DefinitionCoccidioidomycosis is a lung infection? caused by a fungus called Coccidioides. This fungus lives in dry, dusty soil. When the soil is disturbed, tiny fungal? spores...

    February 1, 2026 • Cardiovascular and Respiratory Disease (A - Z)
  5. Cutaneomeningospinal Angiomatosis

    DefinitionCutaneomeningospinal angiomatosis is another name for Cobb syndrome. It is a very rare condition where a person has abnormal blood vessels (angiomas or arteriovenous malformations) in...

    February 1, 2026 • Cardiovascular and Respiratory Disease (A - Z)
  6. Coats Plus Syndrome

    DefinitionCoats plus syndrome is a very rare, inherited, multi-system disease where tiny blood vessels (especially in the retina of the eye and the brain) are abnormal...

    February 1, 2026 • Cardiovascular and Respiratory Disease (A - Z)
  7. Narrowing of the Aorta

    DefinitionNarrowing of the aorta usually means a condition called coarctation of the aorta. In this problem, a short part of the main body artery (the aorta)...

    February 1, 2026 • Cardiovascular and Respiratory Disease (A - Z)
  8. Coarctation of the Aorta

    DefinitionCoarctation of the aorta is a birth heart problem where a short part of the main body artery (the aorta) is too narrow, like a tight...

    February 1, 2026 • Cardiovascular and Respiratory Disease (A - Z)
  9. Capillary Malformation of the Lower Lip

    DefinitionCapillary malformation of the lower lip is a birthmark made from many tiny blood vessels (capillaries) just under the skin of the lower lip. Doctors often...

    January 27, 2026 • Cardiovascular and Respiratory Disease (A - Z)
  10. Chronic Thromboembolic Pulmonary Hypertension (CTEPH)

    DefinitionChronic? thromboembolic pulmonary hypertension? (CTEPH) is a long-term form of high blood pressure in the lung arteries that develops when old blood clots do not fully...

    January 26, 2026 • Cardiovascular and Respiratory Disease (A - Z)