Subarachnoid Hemorrhagic Posterior Inferior Cerebellar Artery (PICA) Stroke

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 7 min read
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Subarachnoid Hemorrhagic Posterior Inferior Cerebellar Artery (PICA) stroke, often referred to as PICA stroke, is a medical condition that affects a specific part of the brain. In this article, we will break down what PICA stroke is, its types, causes, symptoms, diagnostic tests, treatments, drugs, and surgical options in simple and easy-to-understand language. What is Subarachnoid Hemorrhagic Posterior Inferior Cerebellar Artery Stroke (PICA Stroke)? PICA...

Key Takeaways

  • This article explains Causes of PICA Stroke: in simple medical language.
  • This article explains Symptoms of PICA Stroke: in simple medical language.
  • This article explains Diagnostic Tests for PICA Stroke: in simple medical language.
  • This article explains Treatments for PICA Stroke: in simple medical language.
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Subarachnoid Hemorrhagic Posterior Inferior Cerebellar Artery (PICA) stroke, often referred to as PICA stroke, is a medical condition that affects a specific part of the brain. In this article, we will break down what PICA stroke is, its types, causes, symptoms, diagnostic tests, treatments, drugs, and surgical options in simple and easy-to-understand language.

What is Subarachnoid Hemorrhagic Posterior Inferior Cerebellar Artery Stroke (PICA Stroke)? PICA stroke is a type of stroke that occurs when there is bleeding in the area of the brain supplied by the posterior inferior cerebellar artery. This artery plays a crucial role in providing blood to the cerebellum, which controls coordination and balance.

Types of PICA Stroke:

There are different types of PICA strokes based on the location and severity of the bleeding:

  1. Ischemic PICA Stroke: This occurs when the blood flow to the PICA is blocked, leading to damage in the cerebellum.
  2. Hemorrhagic PICA Stroke: This type involves bleeding in the cerebellum due to a rupture in the PICA.

Causes of PICA Stroke:

Various factors can contribute to the development of PICA stroke. Here are 20 potential causes:

  1. High blood pressure
  2. Aneurysms (weak spots in blood vessels)
  3. Arteriovenous malformation (abnormal blood vessel connections)
  4. Trauma to the head or neck
  5. Blood clotting disorders
  6. Smoking
  7. Heavy alcohol consumption
  8. Illicit drug use
  9. Family history of strokes
  10. 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
  11. Obesity
  12. Aging
  13. High cholesterol levels
  14. Heart diseases
  15. Migraines
  16. Infections
  17. Blood vessel 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
  18. Use of blood-thinning medications
  19. Radiation therapy to the head and neck
  20. Certain genetic conditions

Symptoms of PICA Stroke:

Recognizing the symptoms of PICA stroke is crucial for early diagnosis and treatment. Here are 20 common symptoms:

  1. Sudden pain in the head or upper neck. সহজ বাংলা: মাথাব্যথা।" data-rx-term="headache" data-rx-definition="Headache means pain in the head or upper neck. সহজ বাংলা: মাথাব্যথা।">headache
  2. Nausea and vomiting
  3. Dizziness or loss of balance
  4. Difficulty swallowing
  5. Double vision or blurred vision
  6. Slurred speech
  7. Facial weakness or numbness
  8. Difficulty walking
  9. Sensation changes in the face or body
  10. Loss of consciousness
  11. Neck stiffness
  12. Seizures
  13. Sensitivity to light
  14. Ringing in the ears (tinnitus)
  15. Confusion or disorientation
  16. Memory problems
  17. Fatigue
  18. Difficulty with fine motor skills
  19. Trouble speaking or understanding speech
  20. Uncontrolled eye movements (nystagmus)

Diagnostic Tests for PICA Stroke:

To confirm a PICA stroke diagnosis, doctors may perform various tests. Here are 20 common diagnostic tests:

  1. CT scan: Uses X-rays to create detailed images of the brain.
  2. MRI: Provides a more detailed view of the brain than a CT scan.
  3. Cerebral Angiography: Involves injecting contrast dye into blood vessels to visualize blood flow.
  4. Lumbar Puncture: Collects cerebrospinal fluid to check for bleeding or infection.
  5. Blood tests: To assess blood clotting factors and rule out other conditions.
  6. Electroencephalogram (EEG): Records brain activity.
  7. Echocardiogram: Checks for heart problems.
  8. Transcranial Doppler ultrasound: Measures blood flow in the brain’s blood vessels.
  9. Magnetic Resonance Angiography (MRA): Visualizes blood vessels without contrast dye.
  10. Digital Subtraction Angiography (DSA): Creates detailed images of blood vessels.
  11. Neurological examination: Assesses reflexes, strength, and coordination.
  12. Visual field testing: Checks for vision abnormalities.
  13. Swallowing evaluation: Ensures safe eating and drinking.
  14. Hearing tests: To detect hearing loss or problems with balance.
  15. Brainstem Auditory Evoked Potentials (BAEP): Monitors auditory nerve function.
  16. Ophthalmic examination: Evaluates eye health and vision.
  17. Carotid ultrasound: Screens for narrowing of neck arteries.
  18. Chest X-ray: Rules out lung conditions.
  19. Electrocardiogram (ECG or EKG): Records heart’s electrical activity.
  20. Neuropsychological testing: Assesses cognitive function.

Treatments for PICA Stroke:

Managing PICA stroke involves various approaches aimed at minimizing damage and preventing future strokes. Here are 30 treatments:

  1. Hospitalization: Immediate medical attention is critical.
  2. Medications to control blood pressure.
  3. Blood-thinning medications to prevent clots.
  4. Medications for pain relief.
  5. Medications to reduce intracranial pressure.
  6. Seizure medications, if necessary.
  7. Oxygen therapy to maintain oxygen levels.
  8. Rehabilitation therapy (physical, occupational, and speech therapy).
  9. Swallowing therapy.
  10. Ventilation support in severe cases.
  11. Anti-anxiety or antidepressant medications, if needed.
  12. Blood sugar management for diabetics.
  13. Weight management and lifestyle changes.
  14. Treatment of underlying conditions (e.g., high cholesterol, diabetes).
  15. Aneurysm repair through surgery or endovascular procedures.
  16. Clipping or coiling of aneurysms to prevent rupture.
  17. Arteriovenous malformation (AVM) treatment, such as embolization or surgery.
  18. Pain management techniques.
  19. Supportive care for nausea and vomiting.
  20. Regular follow-up appointments.
  21. Adaptive devices to aid mobility.
  22. Assistive communication devices for speech difficulties.
  23. Psychological counseling and support.
  24. Nutritional support and dietary modifications.
  25. Fall prevention measures.
  26. Medications to improve balance and coordination.
  27. Invasive procedures to drain excess cerebrospinal fluid.
  28. Endovascular therapy to remove clots or blockages.
  29. Monitoring and managing complications like infections.
  30. Education on stroke prevention.

Drugs Used in the Treatment of PICA Stroke:

Doctors may prescribe various medications to manage PICA stroke and its risk factors. Here are 20 common drugs:

  1. Aspirin: Antiplatelet medication to prevent blood clots.
  2. Clopidogrel: Another antiplatelet option.
  3. Heparin: An anticoagulant to prevent clots.
  4. Warfarin: Anticoagulant for long-term use.
  5. Tissue plasminogen activator (tPA): Dissolves blood clots.
  6. Anticonvulsants: For seizure control.
  7. Pain relievers (e.g., acetaminophen).
  8. Antiemetics: To control nausea and vomiting.
  9. Antihypertensive drugs: Lower blood pressure.
  10. Statins: Lower cholesterol levels.
  11. Antidiabetic medications: Manage blood sugar.
  12. Antidepressants: Address mood disorders.
  13. Benzodiazepines: Manage anxiety.
  14. Antiarrhythmic drugs: Control heart rhythm.
  15. Diuretics: Reduce fluid buildup.
  16. Analgesics: Provide pain relief.
  17. Antispasmodic drugs: Address muscle spasms.
  18. Dopamine agonists: Manage movement disorders.
  19. Anticoagulants: Prevent clot formation.
  20. Antimicrobial agents: Treat infections.

Surgical Options for PICA Stroke:

In some cases, surgery may be necessary to treat or prevent complications of PICA stroke. Here are 10 surgical procedures:

  1. Clipping: Placing a small metal clip on an aneurysm to prevent rupture.
  2. Coiling: Inserting a coil into an aneurysm to block blood flow.
  3. Aneurysm resection: Removing the aneurysm surgically.
  4. Arteriovenous malformation (AVM) excision: Removing abnormal blood vessel connections.
  5. Craniotomy: Opening the skull to access the brain for various procedures.
  6. Endovascular embolization: Injecting substances to block blood vessels.
  7. Ventricular shunt: Draining excess cerebrospinal fluid.
  8. Angioplasty and stenting: Widening narrowed blood vessels.
  9. Decompressive craniectomy: Removing a portion of the skull temporarily to relieve pressure.
  10. Cerebral bypass surgery: Redirecting blood flow around blocked vessels.

Conclusion:

Subarachnoid Hemorrhagic Posterior Inferior Cerebellar Artery (PICA) stroke is a complex condition that requires prompt medical attention. Understanding the causes, symptoms, diagnostic tests, treatments, drugs, and surgical options can empower individuals and their families to make informed decisions and seek timely care. If you suspect a PICA stroke, seek immediate medical assistance to increase the chances of recovery and minimize complications. Remember, early intervention and prevention play a vital role in managing this condition.

 

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.

References

  1. https://www.ncbi.nlm.nih.gov/books/NBK532297/
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  6. https://medlineplus.gov/skinconditions.html
  7. https://www.aad.org/about/burden-of-skin-disease
  8. https://www.usa.gov/federal-agencies/national-institute-of-arthritis-musculoskeletal-and-skin-diseases
  9. https://www.cdc.gov/niosh/topics/skin/default.html
  10. https://www.skincancer.org/
  11. https://illnesshacker.com/
  12. https://endinglines.com/
  13. https://www.jaad.org/
  14. https://www.psoriasis.org/about-psoriasis/
  15. https://books.google.com/books?
  16. https://www.niams.nih.gov/health-topics/skin-diseases
  17. https://cms.centerwatch.com/directories/1067-fda-approved-drugs/topic/292-skin-infections-disorders
  18. https://www.fda.gov/files/drugs/published/Acute-Bacterial-Skin-and-Skin-Structure-Infections—Developing-Drugs-for-Treatment.pdf
  19. https://dermnetnz.org/topics
  20. https://www.aaaai.org/conditions-treatments/allergies/skin-allergy
  21. https://www.sciencedirect.com/topics/medicine-and-dentistry/occupational-skin-disease
  22. https://aafa.org/allergies/allergy-symptoms/skin-allergies/
  23. https://www.nibib.nih.gov/
  24. https://rxharun.com/resources/category/resources/rxharun/article-types/skin-care-beauty/skin-diseases-types-symptoms-treatment/
  25. https://www.nei.nih.gov/
  26. https://en.wikipedia.org/wiki/List_of_skin_conditions
  27. https://en.wikipedia.org/?title=List_of_skin_diseases&redirect=no
  28. https://en.wikipedia.org/wiki/Skin_condition
  29. https://oxfordtreatment.com/
  30. https://www.nidcd.nih.gov/health/
  31. https://consumer.ftc.gov/articles/w
  32. https://www.nccih.nih.gov/health
  33. https://catalog.ninds.nih.gov/
  34. https://www.aarda.org/diseaselist/
  35. https://www.ninds.nih.gov/Disorders/Patient-Caregiver-Education/Fact-Sheets
  36. https://www.nibib.nih.gov/
  37. https://www.nia.nih.gov/health/topics
  38. https://www.nichd.nih.gov/
  39. https://www.nimh.nih.gov/health/topics
  40. https://www.nichd.nih.gov/
  41. https://www.niehs.nih.gov
  42. https://www.nimhd.nih.gov/
  43. https://www.nhlbi.nih.gov/health-topics
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  48. https://orwh.od.nih.gov/

 

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