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Ischaemic heart disease
Ischaemic (or ischemic)
heart disease is a disease
characterized by reduced
blood supply to the heart.
It is the most common cause
of death in most western
countries. Ischaemia means a
... > full story
Coronary heart disease
Coronary heart disease
(CHD), also called coronary
artery disease (CAD) and
atherosclerotic heart
disease, is the end result
of the accumulation of
atheromatous plaques within
the walls of the arteries
... > full story
Heart valve
In anatomy, the heart valves
are valves in the heart that
maintain the unidirectional
flow of blood by opening and
closing depending on the
difference in pressure on
each side. ... > full story
Defibrillation
Defibrillation is a medical
technique used to counter
the onset of ventricular
fibrillation, (VF) a common
cause of cardiac arrest, and
pulseless ventricular
tachycardia, which sometimes
precedes ventricular
... > full story
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Cardiac arrest
A cardiac arrest is the cessation of normal circulation of the blood due to failure of the ventricles of the heart to contract effectively during systole. The resulting lack of blood supply results ... > more -
Blood pressure
Blood pressure is the pressure exerted by the blood on the walls of the blood vessels. Unless indicated otherwise, blood pressure is understood to mean arterial blood pressure, i.e., the pressure in ... > more -
Low density lipoprotein
Low-density lipoprotein (LDL) refers to a class and range of lipoprotein particles, varying in their size (18-25 nm in diameter) and contents, which carry cholesterol in the blood and around the ... > more -
Echocardiography
The echocardiogram is an ultrasound of the heart. Using standard ultrasound techniques, two-dimensional slices of the heart can be imaged. The latest ultrasound systems now employ 3D real-time ... > more -
High density lipoprotein
High-density lipoproteins (HDL) form a class of lipoproteins, varying somewhat in their size (8-11 nm in diameter) and contents, that carry cholesterol from the body's tissues to the liver. Because ... > more -
Hypertension
Hypertension or high blood pressure is a medical condition wherein the blood pressure is chronically elevated. While it is formally called arterial hypertension, the word "hypertension" without a ... > more -
Mitral valve
The mitral valve, also known as the bicuspid valve, is a valve in the heart that lies between the left atrium (LA) and the left ventricle ... > more -
Circulatory system
A circulatory system (sometimes cardiovascular system) is an organ system that moves substances to and from cells; it can also help stabilize body temperature and pH (part of homeostasis). There are ... > more -
Artificial heart
An artificial heart is a prosthetic device that is implanted into the body to replace the original biological heart. It is distinct from a cardiac pump, which is an external device used to provide ... > more
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