Cough

CPR Cardiopulmonary resuscitation (CPR) is an emergency procedure consisting of chest compressions often combined with artificial ventilation in an effort to manually preserve intact brain function until further measures are taken to restore sponta ...

is the subject of a hoax email that began circulating in 1999. It is described as a "resuscitation technique" in which through prolonged

cough A cough is a sudden expulsion of air through the large breathing passages that can help clear them of fluids, irritants, foreign particles and microbes. As a protective reflex, coughing can be repetitive with the cough reflex following three ph ...

ing and deep breathing every 2 seconds, a person suffering a

cardiac dysrhythmia Arrhythmias, also known as cardiac arrhythmias, heart arrhythmias, or dysrhythmias, are irregularities in the heartbeat, including when it is too fast or too slow. A resting heart rate that is too fast – above 100 beats per minute in adult ...

immediately before

cardiac arrest Cardiac arrest is when the heart suddenly and unexpectedly stops beating. It is a medical emergency that, without immediate medical intervention, will result in sudden cardiac death within minutes. Cardiopulmonary resuscitation (CPR) and possib ...

can keep conscious until help arrives (or until the person can get to the nearest hospital). Neither the

American Heart Association The American Heart Association (AHA) is a nonprofit organization in the United States that funds cardiovascular medical research, educates consumers on healthy living and fosters appropriate cardiac care in an effort to reduce disability and death ...

nor the

American Red Cross The American Red Cross (ARC), also known as the American National Red Cross, is a non-profit humanitarian organization that provides emergency assistance, disaster relief, and disaster preparedness education in the United States. It is the desi ...

endorses cough CPR during a heart attack. This confusion appears to revolve primarily over the public's failure to discriminate between a

heart attack A myocardial infarction (MI), commonly known as a heart attack, occurs when blood flow decreases or stops to the coronary artery of the heart, causing damage to the heart muscle. The most common symptom is chest pain or discomfort which may tr ...

, and cardiac dysrhythmias. A heart attack occurs when an occlusion (e.g. blood clot) of an artery in the heart slowly causes tissue to die. This can result in chest pain and discomfort, and requires immediate medical attention to resolve the occlusion by emergency surgery or cardiac clot-busting drugs. A cardiac dysrhythmia is primarily an electrical problem within the heart, and is sometimes treated with electrolytes, vagal maneuver, or electrical cardioversion. Many dysrhythmias may herald an impending heart attack.

Chain E-mails

Cough CPR has been the subject of a series of

chain email A chain letter is a message that attempts to convince the recipient to make a number of copies and pass them on to a certain number of recipients. The "chain" is an exponentially growing pyramid (a tree graph) that cannot be sustained indefinite ...

campaigns. These emails are typically of the following format: (See Snopes for this and other citation issues.

Notes

* {{note, 1}
Statement by the AHA (updated Oct 6, 2011)

External links

NIH article about Valsalva vagal maneuver Internet hoaxes 1999 hoaxes Cardiology Cough fr:Réanimation cardio-pulmonaire#La légende urbaine de la toux salvatrice