All About Cardiovascular System and Disorders

In SYNTAX score, intermediate coronary artery is designated as: a) Segment 11 b) Segment 12 c) Segment 13 d) Segment 14

Lewis lead can be used for enhancing atrial activity and may be useful in demonstrating AV dissociation in a case of wide QRS tachycardia, suggesting VT.

Incidentally detected femoral artery calcification on X-ray taken for some other purpose. Both positive and negative images are shown.

Phlebotomy is often resorted to in patients with cyanotic congenital heart disease and symptoms of hyperviscosity syndrome due polycythemia.

Athletic heart (athlete's heart) is hypertrophy (thickening of the walls) due to the regular physical training.

Low atrial fibrillatory rate has been shown to predict poor outcome in heart failure in a study

Chronic total occlusion (CTO) has been identified as an independent predictor of ventricular arrhythmias in the VACTO Primary Study

Percutaneous transmitral commissurotomy is a catheter based method from dilating the stenosed valve in mitral stenosis.

ECG, Respiration and SpO2 tracings

Pulse oximetry is the measurement of oxygen saturation in arterial blood by using a non-invasive device, usually connected to one of the fingers.