Category: Cardiology

When conduction through left bundle is delayed or blocked, a characteristic pattern is seen on ECG, which is known as the left bundle branch block (LBBB).

If the cervical rib compresses the nerve root from the spinal segment supplying the heart, pain will be similar in location to that of heart attack.

Heart muscle contraction occurs due to the sliding in of actin and myosin myofilaments so that the length of the sarcomere decreases.

Genetically determined high cholesterol also responds to low fat diet, exercise and medicines like statins. Some may need LDL apheresis.

Stroke volume is the amount of blood ejected from the ventricles into the arterial bed with each contraction.

Ezetemibe lowers blood cholesterol by inhibiting its intestinal absorption by acting on Niemann-Pick C1Like1 (NPC1L1) receptor in intestinal brush border.

Generally a person with heart murmur is unlikely to be taken for the air force as they do not take any chances in such high risk jobs.

STEMI is ST elevation myocardial infarction and NSTEMI non ST elevation myocardial infarction.

If stroke volume decreases, there is a compensatory increase in heart rate so that the product (cardiac output) remains the same.

How are arterial emboli removed? The blood vessel is opened and a Fogarty catheter (a small tube with a balloon at its tip) is inserted. The balloon end