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 »
Heart palpitations are a common symptom of anxiety. Palpitations are often described as an unusual awareness of the heartbeat or feeling... Read more »
Short term memory loss is one of the indicators of dementia. It is one of the “signs” that one looks for—or doesn’t look... 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 »
According to a new study, people who have fat on their thighs and buttocks may live longer than people who do not have fat in these areas. Many... Read more »
Australian researchers say that treating osteoporosis could cut the rate of premature death by 10 percent. The study reviewed the outcomes of 10... Read more »