Author: Johnson Francis

Hypokinesia Hypokinesia: Reduced movement (of heart muscle)

What is regional wall motion abnormality? Regional wall motion abnormality means that the motion of a region of the heart muscle is abnormal. It is a term commonly

How does the heart muscle contract? Muscle contraction occurs due to the sliding in of actin and myosin myofilaments so that the length of the sarcomere decreases. Sarcomere

Sinus node Sinus node: Same as sino-atrial node or SA node; the normal pacemaker of the heart.

Sick sinus syndrome Sick sinus syndrome: A disorder in which the natural pacemaker of the heart (sinoatrial node) is abnormal, usually producing bradycardia and long pauses which can

Tachy-brady syndrome Tachy-brady syndrome: A condition in which tachycardia alternates with bradycardia. Classical manifestation of sick sinus syndrome.

Tachyarrhythmia Tachyarrhythmia: Arrhythmia (abnormal rhythm) with a fast heart rate. Examples are sinus tachycardia, supraventricular tachycardia and ventricular tachycardia.

Pulse pressure Pulse pressure: Difference between systolic and diastolic pressure

Mitral regurgitation Mitral regurgitation: Leaking of the mitral valve which separates the left ventricle from the left atrium.

Thrombosis Thrombosis: Formation of blood clots