voluntary and physiologic motion, metallic implants or foreign bodies, muscle tremor, dry electrodes, electrical interference from equipment, loose lead.

(a)  

Conducts impulses from the atria to the ventricles after slight delay to allow for ventricular filling.

(a)  

Non-cardiac related electrical activity that appears on an EKG recording.

(a)  

The main blood vessel that oxygen and nutrients travel from your heart to the organs. Originates from the left ventricle.

(a)  

The buildup of fats, cholesterol and other substances in and on the artery walls. The plague can break off and form a thrombus.

(a)  

The lowest part of the human heart

(a)  

An abnormality in the timing or pattern of the heartbeat

(a)  

When your heart stops pumping, it is also known as flatline.

(a)  

Usually applied to a blood vessel or nerve that fails to follow its normal course. Different from the normal taking a different course.

(a)  

Upper chamber of the heart

(a)  

A type of vascular disease where the arteries become damaged from factors like high cholesterol, high blood pressure, diabetes and certain genetic influences. Hardening of the arteries.

(a)  

Part of the heart that controls blood flow into your aorta and keeps blood moving in one direction. Semilunar valve between the left ventricle and the aorta.

(a)  

aVR,aVL,aVF. Register and amplify electric potential in the frontal plane.

(a)