Premature ventricular contractions (PVCs) are early or extra heartbeats that commonly occur and are usually harmless in normal hearts, but can cause problems in hearts with pre-existing disease.
Abnormally fast heart rates are classified into two types: supraventricular (meaning "above the ventricle") tachycardias, those that arise in the atria (plural of atrium) or the atrioventricular node, and ventricular tachycardias.
In both instances, an extra or early beat may trigger the rapid rhythms....
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 »
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 »
“Why Me?” Just last week one of my patients was in the office asking this important question. Carl was a man in his forties,... 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 »
Source: Medifocus Guidebook on: Atrial Fibrillation
What is Atrial Fibrillation?The heart is a muscle that functions as a double-sided pump and consists of four chambers. The two upper chambers are... 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 »
I just turned 30 and have noticed in recent months that I have trouble with ejaculating too fast. I mean too fast and maintaining an erection. It... Read more »
Here are a couple of post-sex responses no one likes to hear: "Was what good for me?""Apology accepted." If your standard cry of climactic... Read more »
Source: HealthCentral Encyclopedia
Atrial fibrillation (AF) is a particular type of heartbeat (arrhythmia) characterized by an extremely fast irregular rhythm.When at rest, the healthy... Read more »