Secondary drowning, also known as delayed drowning or dry drowning, is a rare but potentially life-threatening condition that can occur after a person has been submerged in water. It happens when someone inhales water into their lungs, causing irritation, inflammation, and swelling that can lead to breathing difficulties hours or even days later.
Types of Secondary Drowning
There are no specific types of secondary drowning. It is a general term used to describe the condition where water in the lungs causes breathing difficulties after the initial incident of submersion.
Causes of Secondary Drowning
- Inhaling water while swimming or bathing
- Near-drowning incidents
- Accidental submersion in a pool, bathtub, or body of water
- Being caught in a sudden wave while swimming in the ocean
- Being knocked over by a strong current in a river or stream
- Swallowing water during water sports or recreational activities
- Being submerged in a hot tub or jacuzzi
- Accidents involving falling into a pond or lake
- Rough play or horseplay in the water leading to accidental inhalation of water
- Being trapped underwater, such as in a capsized boat or overturned kayak
- Swimming in turbulent or choppy waters
- Losing consciousness while in the water due to factors like intoxication or medical conditions
- Inadequate supervision of children or inexperienced swimmers in the water
- Seizures or sudden medical emergencies while swimming
- Engaging in underwater breath-holding contests or games
- Inhaling water during diving or snorkeling
- Accidentally swallowing water while laughing or coughing in the water
- Being submerged in floodwaters during natural disasters
- Falling through thin ice and being submerged in cold water
- Being trapped in a submerged vehicle or flooded area during emergencies.
Symptoms of Secondary Drowning
- Persistent coughing
- Shortness of breath or difficulty breathing
- Chest pain or tightness
- Fatigue or lethargy
- Restlessness or agitation
- Irritability in children
- Bluish skin or lips (cyanosis)
- Wheezing or noisy breathing
- Rapid breathing (tachypnea)
- Increased heart rate (tachycardia)
- Low oxygen levels (hypoxemia)
- Confusion or disorientation
- Anxiety or panic
- Fever or chills
- Vomiting
- Diarrhea
- Pale or clammy skin
- Decreased urine output
- Dizziness or lightheadedness
- Loss of consciousness.
Diagnostic Tests for Secondary Drowning
- History taking: The healthcare provider will inquire about the circumstances surrounding the incident, including the duration and extent of submersion, any symptoms experienced afterward, and any relevant medical history.
- Physical examination: The healthcare provider will assess vital signs such as breathing rate, heart rate, oxygen saturation, and overall appearance. They will also listen to the lungs for abnormal sounds.
- Pulse oximetry: This non-invasive test measures the oxygen saturation of the blood using a sensor attached to a finger or earlobe.
- Chest X-ray: This imaging test can reveal any abnormalities in the lungs, such as fluid accumulation or inflammation.
- Arterial blood gas (ABG) test: This blood test measures oxygen and carbon dioxide levels in the blood to assess respiratory function.
- Complete blood count (CBC): This blood test can detect signs of infection or inflammation.
- Electrocardiogram (ECG or EKG): This test records the heart’s electrical activity to check for any abnormalities.
- Lung function tests: These tests measure how well the lungs are functioning, including their ability to exchange oxygen and carbon dioxide.
- Brain imaging (CT or MRI): In cases of near-drowning with neurological symptoms, imaging of the brain may be necessary to assess for any brain injury.
- Urinalysis: This test analyzes the urine for signs of kidney damage or dehydration.
- Electrolyte levels: Blood tests may be done to check levels of electrolytes such as sodium and potassium, which can be imbalanced due to near-drowning.
- Coagulation studies: These tests assess blood clotting function, which may be affected by near-drowning incidents.
- Echocardiogram: This ultrasound test examines the structure and function of the heart, looking for any abnormalities that may have resulted from near-drowning.
- Bronchoscopy: In some cases, a flexible tube with a camera on the end (bronchoscope) may be inserted into the airways to visualize any injuries or obstructions.
- Pulmonary function tests: These tests measure lung function and capacity to assess for any damage caused by near-drowning.
- Fluid analysis: If there is fluid buildup in the lungs, a sample may be taken for analysis to determine the cause (e.g., infection, inflammation).
- Blood cultures: These tests may be done to check for any bacterial infections that could have developed as a result of near-drowning.
- Imaging of other organs: Depending on the clinical presentation, additional imaging tests such as abdominal ultrasound or CT scans may be performed to assess for injuries or complications involving other organs.
- Neurological assessment: A thorough evaluation of neurological function may be conducted to assess for any brain or spinal cord injuries resulting from near-drowning.
- Pulmonary artery catheterization: In severe cases requiring intensive care, a catheter may be inserted into the pulmonary artery to monitor heart and lung function closely.
Treatments for Secondary Drowning
(Non-pharmacological)
- Oxygen therapy: Providing supplemental oxygen through a mask or nasal cannula to improve oxygenation of the blood.
- Mechanical ventilation: In severe cases of respiratory failure, a ventilator may be used to assist with breathing.
- Continuous positive airway pressure (CPAP): This treatment helps keep the airways open and may improve oxygenation in some cases.
- Positioning: Placing the individual in a comfortable position that optimizes breathing and reduces the workload on the lungs.
- Fluid management: Monitoring fluid intake and output carefully to prevent dehydration while avoiding fluid overload, which can exacerbate respiratory distress.
- Temperature regulation: Maintaining a stable body temperature to support recovery and prevent complications.
- Airway clearance techniques: Using techniques such as chest physiotherapy or suctioning to remove secretions and improve breathing.
- Monitoring: Regular monitoring of vital signs, oxygen saturation, and overall clinical status to assess response to treatment and detect any complications.
- Rest and comfort measures: Providing a calm and supportive environment to promote relaxation and aid in recovery.
- Nutrition support: Ensuring adequate nutrition to support healing and maintain overall health.
- Psychological support: Offering counseling or therapy to individuals and their families to cope with the emotional impact of the near-drowning incident.
- Rehabilitation: Depending on the severity of the injury, physical or occupational therapy may be needed to regain strength, mobility, and independence.
- Wound care: If there are any injuries or wounds sustained during the near-drowning incident, appropriate wound care measures should be taken to prevent infection and promote healing.
- Airway protection: Taking precautions to prevent aspiration of stomach contents or other debris into the lungs, which can worsen respiratory distress.
- Environmental modifications: Making changes to the environment to minimize the risk of future near-drowning incidents, such as installing safety barriers or providing supervision around water.
- Education: Providing education to individuals and their families about water safety practices and the importance of recognizing the signs and symptoms of near-drowning.
- Supportive care: Offering emotional support and encouragement to individuals and their families throughout the recovery process.
- Mobility aids: Providing assistive devices such as walkers or wheelchairs to facilitate mobility and independence as needed.
- Communication assistance: Using alternative communication methods such as writing or using communication boards for individuals who have difficulty speaking due to respiratory distress.
- Family involvement: Involving family members in the care process and providing them with support and resources to help them cope with the challenges of caring for a loved one with near-drowning.
- Psychological interventions: Counseling or therapy may be beneficial for individuals experiencing anxiety, depression, or post-traumatic stress disorder (PTSD) following a near-drowning incident.
- Nutritional support: Ensuring adequate intake of nutrients and fluids to support recovery and healing.
- Rehabilitation therapy: Physical, occupational, or speech therapy may be necessary to address any functional deficits or impairments resulting from the near-drowning incident.
- Respiratory therapy: Techniques such as chest physiotherapy, incentive spirometry, or breathing exercises may be used to improve lung function and clearance of secretions.
- Cardiac monitoring: Continuous monitoring of heart rate and rhythm to detect any abnormalities or complications.
- Invasive procedures: In some cases, procedures such as endotracheal intubation or tracheostomy may be necessary to maintain a patent airway and support ventilation.
- Intensive care: Close monitoring and management in an intensive care unit (ICU) may be required for individuals with severe respiratory failure or other complications.
- Rehabilitation services: Access to rehabilitation services such as physical therapy, occupational therapy, and speech therapy to help regain lost function and improve quality of life.
- Psychological support: Counseling or therapy to address any psychological or emotional distress resulting from the near-drowning incident.
- Supportive care: Providing comfort measures, emotional support, and assistance with activities of daily living as needed throughout the recovery process.
Drugs Used in the Treatment of Secondary Drowning
- Bronchodilators: Medications such as albuterol or ipratropium may be used to help open up the airways and improve breathing.
- Corticosteroids: These anti-inflammatory drugs may be prescribed to reduce inflammation in the airways and lungs.
- Diuretics: Medications like furosemide may be used to help remove excess fluid from the body and reduce swelling in the lungs.
- Antibiotics: If there is evidence of infection or pneumonia, antibiotics may be prescribed to treat bacterial pathogens.
- Antipyretics: Drugs such as acetaminophen or ibuprofen may be used to reduce fever and alleviate discomfort.
- Anticoagulants: In cases of pulmonary embolism or clotting disorders, blood thinners like heparin may be administered to prevent further clot formation.
- Analgesics: Pain medications such as morphine or nonsteroidal anti-inflammatory drugs (NSAIDs) may be used to relieve chest pain or discomfort.
- Mucolytics: These medications help break down and thin out mucus, making it easier to clear from the airways.
- Anticonvulsants: In cases of seizures or neurological complications, anticonvulsant drugs like phenytoin or lorazepam may be administered.
- Antiemetics: Medications to control nausea and vomiting, such as ondansetron or promethazine, may be given to improve comfort and prevent aspiration.
- Intravenous fluids: Fluids may be administered intravenously to maintain hydration and support circulation.
- Vasopressors: In cases of shock or hypotension, drugs like dopamine or norepinephrine may be used to increase blood pressure and improve perfusion.
- Sedatives: These medications may be used to help calm and relax individuals who are agitated or anxious.
- Proton pump inhibitors (PPIs): Drugs like omeprazole or pantoprazole may be prescribed to reduce the risk of gastric ulcers or gastrointestinal bleeding.
- Beta-blockers: In cases of cardiac arrhythmias or hypertension, beta-blockers such as metoprolol may be used to stabilize the heart rate and blood pressure.
- Antihistamines: These medications may be used to reduce allergic reactions or itching associated with near-drowning incidents.
- Inotropic agents: Drugs like dobutamine or milrinone may be used to improve cardiac contractility and output in cases of heart failure.
- Antifungals: If there is evidence of fungal infection in the lungs, antifungal medications such as fluconazole may be prescribed.
- Antivirals: In cases of viral pneumonia or respiratory infections, antiviral drugs like oseltamivir may be used to treat the underlying cause.
- Immunomodulators: These medications help modulate the immune response and may be used in cases of severe inflammation or autoimmune reactions.
Surgeries for Secondary Drowning
- Tracheostomy: In severe cases of respiratory failure or airway obstruction, a surgical procedure may be performed to create a temporary or permanent opening in the neck to allow for direct access to the trachea.
- Thoracotomy: In cases of severe lung injury or bleeding, a surgical procedure may be necessary to access the chest cavity and address any underlying issues.
- Pulmonary artery embolectomy: If there is evidence of pulmonary embolism causing respiratory distress, a surgical procedure may be performed to remove the blood clot from the pulmonary artery.
- Decortication: In cases of pleural effusion or empyema, a surgical procedure may be performed to remove the thickened, infected tissue lining the lungs.
- Lung transplantation: In rare cases of irreversible lung damage, such as in severe cases of near-drowning with acute respiratory distress syndrome (ARDS), a lung transplant may be considered as a last resort.
- Pleurodesis: This surgical procedure involves the insertion of a substance (such as talc) into the pleural space to create adhesions and prevent recurrent pleural effusion or pneumothorax.
- Lobectomy: In cases of localized lung injury or infection, a surgical procedure may be performed to remove a portion (lobe) of the lung affected by the condition.
- Esophageal dilation: If there is evidence of esophageal stricture or narrowing due to chemical ingestion or other injuries, a surgical procedure may be performed to dilate or widen the esophagus.
- Ventriculoperitoneal (VP) shunt placement: In cases of hydrocephalus or increased intracranial pressure resulting from near-drowning with neurological complications, a surgical procedure may be performed to divert excess cerebrospinal fluid from the brain to the abdominal cavity.
- Cardiac surgery: In cases of severe cardiac injury or dysfunction resulting from near-drowning incidents, such as cardiac tamponade or myocardial infarction, surgical intervention may be necessary to repair or replace damaged cardiac structures.
Preventive Measures for Secondary Drowning
- Supervision: Always supervise children and inexperienced swimmers when they are in or around water, even in shallow areas.
- Swimming lessons: Enroll children and adults in swimming lessons to teach them water safety skills and proper swimming techniques.
- Life jackets: Wear properly fitted life jackets or personal flotation devices (PFDs) when boating, kayaking, or participating in water sports.
- Pool safety: Install barriers such as fences or gates around swimming pools to prevent unsupervised access, and ensure that pool covers are secure when not in use.
- Buddy system: Always swim with a buddy or in designated swimming areas with lifeguards present.
- Water safety education: Teach children and adults about the dangers of water and how to recognize and respond to emergencies such as drowning.
- Avoid alcohol and drugs: Never swim or supervise swimmers while under the influence of alcohol or drugs, as impaired judgment and coordination can increase the risk of accidents.
- Learn CPR: Take a CPR and first aid course to learn how to perform cardiopulmonary resuscitation (CPR) and respond to drowning emergencies effectively.
- Check water conditions: Be aware of weather conditions, water temperature, and currents before swimming or participating in water activities, and avoid swimming in rough or choppy waters.
- Stay within your limits: Know your swimming abilities and avoid taking unnecessary risks in the water, such as diving into shallow or unfamiliar areas.
When to See a Doctor for Secondary Drowning
It’s essential to seek medical attention promptly if you or someone else experiences any symptoms of secondary drowning after a near-drowning incident or prolonged submersion in water. Even if symptoms seem mild or transient, it’s crucial to err on the side of caution and seek evaluation by a healthcare provider, as secondary drowning can worsen rapidly and lead to serious complications if left untreated. If in doubt, it’s always better to seek medical attention to ensure proper assessment and management of the 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.