Paroxysmal supraventricular tachycardia (PSVT) is an occasional
PSVT; Supraventricular tachycardia
Normally, the chambers of the heart (atria and ventricles) contract in a coordinated manner. The contractions are caused by an electrical signal that begins in an area of the heart called the sinoatrial node (also called the sinus node or SA node). The signal moves through the upper...
Read moreWhat 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 »
As I teach my medical students and residents on hospital rounds and in the outpatient setting, children do not usually present to their... Read more »
While I’m sitting on the exam table with my legs dangling, the neurologist reaches for a metal object. He’s already poked me several... Read more »
The neurologist asks me to bend my head forward and immediately I feel a shock of sensation travel down my arms into my fingers. It’s... Read more »
During the toddler years, children become anxious and irritable when parents are not around. This can happen even if the parent is just in... Read more »
Source: ADAM Encyclopedia
Wide-complex tachycardia; V tach; Tachycardia - ventricularSymptomsIf the heart rate during a ventricular tachycardia episode is very fast or lasts... Read more »
Source: ADAM Encyclopedia
Chest tightness Lightheadedness Fainting Sensation of feeling the heart beat (palpitations) Shortness... Read more »
Source: HealthCentral Encyclopedia
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... Read more »
Memory loss that disrupts everyday life is not a normal part of aging. It is a symptom of dementia, a gradual and progressive decline in memory,... Read more »
What is asthma? Asthma is a disease in which the airways become blocked or narrowed. These effects are usually temporary, but they cause shortness of... Read more »