How does ezetemibe, a cholesterol lowering drug work? Ezetemibe a cholesterol lowering medication lowers blood cholesterol by inhibiting its intestinal absorption by acting on NPC1L1 in the intestinal
What is Hypokinesia? Hypokinesia means slow movement. In echocardiography it is used to describe a region of the heart muscle which is contracting lesser than the other regions.
What is stroke volume and how can it be modified? Stroke volume is the amount of blood ejected from the ventricles into the arterial bed with each contraction.
What is syndrome X? Syndrome X is normal epicardial coronaries with recurrent anginal pain. Usually it is not a dangerous condition. The pain is thought to be due
How does heart act as a pump? Blood reaches the right atrium from the superior and inferior vena cavae. It passes to the right ventricle through the tricuspid
What causes a heart attack and what is the treatment? Heart attack is due to clotting of blood in a narrowed coronary artery. Risk factors for narrowing of
What symptoms does congestive heart failure cause? Fatigue, breathlessness, swelling of feet and abdomen due to excess fluid. Fatigue is due to low cardiac output, while breathlessness is
What is the difference between transient ischemic attack and stroke? By definition a transient ischemic attack is a neurological deficit like hemiplegia or monoplegia which recovers completely within
Normally the epicardial coronary arteries are located outside the myocardium. Occasionally a segment of the epicardial coronary artery passes through the myocardium. This causes a narrowing of that
How does the electrocardiogram (ECG) help patient care? ECG records the electrical activity of the heart. It shows various abnormalities with different types of heart disease. The most
