The heart normally beats at a rate of about 60 to 100 beats per minute at rest. A rate faster than 100 beats a minute in an adult is called tachycardia. Most people experience transient rapid heartbeats, called sinus tachycardia, as a normal response to excitement,
The two main types of tachycardia are abnormal supraventricular tachycardias (which originate in the upper...
What we call normal rhythm is stimulated by a group of cells in the upper chamber of our heart called the atrium. This group of cells is in... Read more »
I was recently diagnosed with atrial bigeminy. Could you tell me what it is and a little bit about its symptoms? How do I know I need to... Read more »
“You want to do what?” she asked. “Because you have Atrial Fibrillation, I’d like to schedule you for an electrical... Read more »
Q: My brother has atrial fibrillation problems. Is there anything that he eats that can cause his heart to act up or certain foods he... Read more »
Whenever I go to a doctor, I expect a clean bill of health. In this, I suspect I'm not very different from most people. Even if a symptom... Read more »
Source: ADAM Encyclopedia
Ventricular tachycardia (VT) is a rapid heartbeat that starts in the ventricles.Alternative NamesWide-complex tachycardia; V tach; Tachycardia -... Read more »
Source: HealthCentral Encyclopedia
Article updated and reviewed by Neil Siecke, MD, Clinical Insturctor, UCSD Division of Cardiology. Editorial review provided by VeriMed Healthcare... Read more »
Source: ADAM Encyclopedia
Multifocal atrial tachycardia is a rapid heart rate that occurs when too many signals (electrical impulses) are sent from the upper heart to the... Read more »
Source: Medifocus Guidebook on: Atrial Fibrillation
Objectives of Treatment of Atrial FibrillationThe overall focus of care for patients with atrial fibrillation (AF) is the prevention of complications... Read more »
Source: HealthCentral Encyclopedia
Premature ventricular contractions (PVCs) are early or extra heartbeats that commonly occur and are usually harmless in normal hearts, but can cause... Read more »