Bradycardia refers to a slower-than-normal heart rate—typically below 60 beats per minute. While a low heart rate can be a sign of good physical fitness in healthy individuals, in others it may ...

Normal sinus rhythm means the heartbeats are regular and between 60 and 100 beats per minute. Sinus rhythm is controlled by the sinus node, which sends electrical impulses to the heart. Bradycardia is ...

Prednisone is effective but the drug can cause bradycardia (slowed heartbeats), tachycardia (rapid heartbeats), atrial fibrillation (irregular heartbeats), and palpitations. Those at greater risk are ...

Appendix 1. Author Relationships with Industry and Other Entities (Relevant) e115 Appendix 2. Reviewer Relationships with Industry and Other Entities (Comprehensive) e117 When developing ...

1 Department of Family Medicine, University of Washington, Seattle, Washington, USA 2 Department of Pediatrics, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, ...

Jørn Einar Rasmussen, specialist in cardiology, specialist in emergency medicine and pre-hospital care, and senior consultant. The author has completed the ICMJE form and declares no conflicts of ...

Ectopic heartbeats are extra heartbeats that occur just before a regular beat. Ectopic beats are normal and usually not a cause for concern, though they can make people feel anxious. Ectopic beats are ...

1 Division of General Internal Medicine and Primary Care, Brigham and Women’s Hospital, Boston, MA, USA 2 Division of General Internal Medicine, Kyoto University Hospital, Kyoto, Japan 3 Harvard ...

One of the strongest clinical associations with autoantibodies against components of the SSA/Ro–SSB/La ribonucleoprotein complex is the development of congenital heart block in an offspring, an ...

Rationale Current techniques for monitoring patients for apnoea suffer from significant limitations. These include insufficient availability to meet diagnostic needs, cost, accuracy of results in the ...