Multifocal atrial tachycardia is a
The human heart gives off electrical impulses, or signals, which tell it to beat. Normally, these signals begin in an area of the upper right chamber called the sinoatrial node (sinus node or SA node). This node is considered the heart's "natural pacemaker." It helps control the...
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 »
Full Question:I've made an appointment to see a neurologist for further treatment of my migraines but also for my inappropriate sinus... Read more »
Not a week goes by that I don’t see someone in cardiology consultation for skipping, jumpy heart beats. It is a common problem- a... Read more »
I'd like to share a heartfelt hello and greeting to all of you who read, share and use this excellent and informative site. I've joined... Read more »
We've all seen the dramatic scene, which is almost required for any heart patient on House, Grey's Anatomy, and even General Hospital... 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 »
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
Sick sinus syndrome is a collection of heart rhythm disorders that include:Sinus bradycardia -- slow heart rates from the natural pacemaker of the... 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: 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 »