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 »
There's no doubt about it, children with ADHD are often unorganized and lack time management skills. They may have trouble sequencing... 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: ADAM Encyclopedia
Paroxysmal supraventricular tachycardia (PSVT) is an occasional rapid heart rate. "Paroxysmal" means from time to time. Alternative NamesPSVT;... 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 »
Stress can wreck havoc on your health. And if you have asthma, you no doubt know that stress can cause asthma symptoms. The signs and symptoms of... Read more »
Bipolar sufferer Laurel Lemke moved in and out of hospitals before she was finally diagnosed with the condition. And though her bipolar disorder will... Read more »