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2. Fibrillation - Wikipedia

   en.wikipedia.org/wiki/Fibrillation

   There are two major classes of cardiac fibrillation: atrial fibrillation and ventricular fibrillation. Atrial fibrillation is an irregular and uncoordinated contraction of the cardiac muscle of atria. It can be a chronic condition, usually treated with anticoagulation and sometimes with conversion to normal sinus rhythm.

3. Cardiac arrest - Wikipedia

   en.wikipedia.org/wiki/Cardiac_arrest

   The underlying causes of sudden cardiac arrest can result from cardiac and non-cardiac etiologies. The most common underlying causes are different, depending on the patient's age. Common cardiac causes include coronary artery disease, non-atherosclerotic coronary artery abnormalities, structural heart damage, and inherited arrhythmias. Common ...

4. Atrial fibrillation - Wikipedia

   en.wikipedia.org/wiki/Atrial_fibrillation

   Atrial fibrillation is an uncommon condition in children but sometimes occurs in association with certain inherited and acquired conditions. Congenital heart disease and rheumatic fever are the most common causes of atrial fibrillation in children.

5. Cardiac arrest is leading cause of death for young athletes ...

   www.aol.com/weather/cardiac-arrest-leading-cause...

   Aug. 4—High-profile cases of young athletes seemingly at the pinnacle of health collapsing on the court or field after sudden cardiac arrest underscores a hazard in high school, college and pro ...

6. Cold shock response - Wikipedia

   en.wikipedia.org/wiki/Cold_shock_response

   For people with pre-existing cardiovascular disease, the additional workload can result in myocardial infarction and/or acute heart failure, which ultimately may lead to a cardiac arrest. A vagal response to an extreme stimulus as this one, may, in very rare cases, render per se a cardiac arrest. Hypothermia and extreme stress can both ...

7. Ventricular fibrillation - Wikipedia

   en.wikipedia.org/wiki/Ventricular_fibrillation

   Ventricular fibrillation (V-fib or VF) is an abnormal heart rhythm in which the ventricles of the heart quiver. [2] It is due to disorganized electrical activity. [2] Ventricular fibrillation results in cardiac arrest with loss of consciousness and no pulse. [1]