PCCN Practice Questions – Quiz 08

Atrial tachycardia’s impulse originates in the atrium. It has a constant rate, has a constant rhythm but not irregular.

Cardiomyopathy is defined as heart muscle disease which tends to affect most of the muscle of the heart.

Dilated, hypertrophic, and constrictive are the three common presentations of cardiomyopathy.

Indicators for emergency operation of coronary artery bypass grafting are when there are complications of percutaneous transluminal coronary angioplasty, when there is ischemia that cannot be controlled by any medical therapy and when an evolving myocardial infarction is present.

Some of the physiological consequences of CPB are as follows: there is a presence of systemic inflammatory response, there’s an initial decrease in systemic vascular resistance, and damage to blood elements like in the platelets, red blood cells, white blood cells, and plasma proteins is present.

Epicardial pacing wires are used to manage both supraventricular tachycardias and bradycardias postoperatively.

Rheumatic fever is the primary cause of acquired valvular heart disease. Other causes are degenerative changes of the tissue and a papillary muscle rupture from myocardial infarction, systemic diseases, and others.

Concerns like aneurysms and occlusions are common concerns that require vascular surgery.

Abdominal aneurysms are distinguished by noting a palpable mass on physical examination. Symptoms like abdominal or back pain with tenderness on palpation are related to abdominal aneurysms.

The best and common practice to diagnose abdominal aneurysms is through the use of computed tomography (CT) and magnetic resonance imaging (MRI).