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Think of the atria as like turbochargers. If you knock them out, blood will still fill the ventricles by gravity as if you were pouring water into a jug, but if the ventricles are infarcted and are not working, you can't pump the blood containing oxygen out to the body.

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Q: Why does a infarction in the ventricular wal often leads to sudden death while an infarction in the atrial wall is less likely to cause death?
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Related questions

What is a term used to describe a sudden arrhythmia such as an atrial tachycardia?

Paroxysmal Atrial Tachycardia


Fast heartbeat of sudden onset is known as paroxysmal?

i belive its called paroxysmal artrial trachycardia


Which of these conditions is often the cause of sudden cardiac death?

ventricular fibrillation


What is the sudden cessation of oxygen delivery?

profound shock (as seen with acute myocardial infarction)


How do you fix cardiac arrhythmia?

If you are referring to atrial fibrillation, there are several medications used to prevent recurrence, or to control the heart rate. If you are referring to ventricular fibrillation, correction and prevention frequently requires the insertion of a defibrillator and possibly a pacemaker. If you are having frequent ventricular tachycardia or fibrillation, your heart is very damaged and a defibrillator/pacemaker may be the only way to prevent sudden death.


What has the author M E Rajskina written?

M. E. Rajskina has written: 'Ventricular fibrillation and sudden coronary death' -- subject- s -: Cardiac arrest, Complications, Coronary Disease, Coronary heart disease, Death, Sudden, Cardiac, Etiology, Physiopathology, Ventricular fibrillation


How many people die from ventricular fibrillation?

Ventricular fibrillation is a life-threatening arrhythmia that can lead to sudden cardiac arrest. Each year, it is estimated that thousands of people die from ventricular fibrillation, especially if immediate medical intervention such as defibrillation is not provided. Early recognition and treatment are crucial in improving outcomes for individuals affected by ventricular fibrillation.


What does 'blowout' mean in the phrase 'blowout type rupture of the left ventricular free wall'?

On a motorcar tyre, a blowout is a sudden bursting of the tyre, so I presume that a 'blowout rupture' is a sudden rupture.


What is the difference between supra ventricular tachycardia and paroxysmal supra ventricular tachycardia?

PSVT are those SVTs which are sudden, abrupt, almost immediate and unexpected onset and are more regular as well... PSVT is just the type of SVT..


What is the purpose of the defibrillator?

to detect and stop serious ventricular arrhythmias and restore a normal heartbeat in people who are at high risk of sudden death


What is the most frequent initial rhythm witnessed in sudden cardiac arrest?

The most common abnormal heart rhythm preceding cardiac arrest is ventricular fibrillation. In this dysrhythmia, the ventricular walls contract randomly and rapidly, and do not effectively pump blood.


What is So Important About the Aortic Valve?

The aortic value is located at the entrance to the aorta from the left ventricular chamber of the heart. This is an important position since it is the threshold of all of the newly oxygenated blood returning to the body. When the value is dysfunctional, it limits the ability of the heart to properly pump blood. This disruption causes irregular heartbeat, shortness of breath or fainting, myocardial infarction, and in some cases lead to sudden death.