How long can one survive without a heartbeat?

Difficult one this! The common perception is 3-4 minutes but we had a patient a while ago who went into cardiac arrest shortly after arriving. After several cycles of CPR, a decision was taken to discontinue the resuscitation ( and the heart was scanned to confirm that there was no cardiac activity)To our amazement (

How does hemochromatosis cause heart failure?

Because due to a mutation to the HFE gene iron is taken up irrespective whether one is iron replete, leading to far too much iron being taken up over the years, stored in the liver (cirrhosis), pancreas (diabetes), heart muscle (heart failure), skin (bronze color of skin), this will damage the cells

Why does anorexia cause heart failure?

According to the University of Maryland Medical Center, heart disease is just one of the many complications that can result from anorexia nervosa. In fact, heart disease is responsible for the death of many individuals who suffer from severe cases. One possible complication is known as bradycardia. The human heart should beat at least