The sinoatrial (SA) node is the natural pacemaker of the heart. It generates electrical impulses that cause the heart’s chambers to contract, setting the heart rate. The SA node typically generates 60 ...

Background A routine sports evaluation identified constant alternation between a junctional and idioventricular rhythm in a 9-year-old child. During exercise testing, electrography demonstrated that ...

A clinical trial showed that a nasal spray that patients administer at home, without a physician, successfully and safely treated recurrent episodes of a condition that causes rapid abnormal heart ...

Extract: The electrocardiograms of 26 patients with persistent left superior vena cava (SVC) draining into the coronary sinus were reviewed. Left axis of P waves between +15 and −29 degrees was ...

Alternative therapies may be a potential treatment for arrhythmia when used alongside medical treatments. An arrhythmia is an irregular heartbeat. The heart may beat too quickly, too slowly, or ...

Arrhythmia is an irregular heart rhythm. The condition is usually not serious, but when it is, treatment is generally effective. Share on Pinterest Jasmin Merdan/Getty Images It’s common for children ...

The correct answer is sinus pause due to sinus node exit block. The rhythm is regular at a rate of 80 beats/min, although two long RR intervals (└┘) with a rate of 40 beats/min are present in the ...

A widow is suing Centerpoint Medical Center in Independence after alleging doctors ignored her husband’s abnormal heart readings before his surgery, where he died after, a lawsuit alleges. A widow is ...

Bradycardia is a condition characterized by a slower than normal heart rate. While a normal adult heart beats between 60 and 100 times per minute, bradycardia is defined when heart rate falls below 60 ...

Q: I adopted a pit bull who had lost one ear in the fighting ring, so I named him Van Gogh. He is a healthy, sweet, gentle guy who loves to snuggle. When we lie on the couch watching television and my ...