Articles & courses

ArticlesShow all 58
Aortic regurgitation

…that the aortic valve leaks during diastole, such that blood regurgitates back from the aorta into the left ventricle. This results in volume overload in…

Doppler effect and Doppler echocardiography

Echocardiography The Doppler effect When sound waves hit objects some of the sound waves are reflected back to the sound source. If the reflector (i…

Chest Pain in the Emergency Department: Diagnostic Pathways

…heaviness, burning, or discomfort in the chest and may extend to the arms, shoulders, neck, jaw, upper back, abdomen, or epigastrium. Dyspnoea, nausea, vomiting, diaphoresis…

Differential Diagnosis of Chest Pain: A Clinical Overview

…arms, neck, jaw, upper back, and abdomen, as well as dyspnea and nausea (anginal equivalents) [7]. Clinicians must consider both cardiac and non cardiac etiologies…

Capnography (end-tidal carbon dioxide measurement, ETCO2) during cardiac arrest

…a byproduct of aerobic metabolism, is transported from the tissues back to the lungs where it is exhaled. The final partial pressure of carbon dioxide…

Clinical application of ECG in chest pain & acute myocardial infarction

…palpitations, back pain and selected cases of upper abdominal pain. An ECG recording costs approximately $10 (10€) and may reduce morbidity and mortality substantially in…

Pulmonary regurgitation

…considered a normal finding. The regurgitation results in blood flowing back from the pulmonary artery into the right ventricle during diastole. The most common cause…

The ultrasound transducer

…These sound waves travel through tissues and fluids. Some of the sound waves are reflected back to the transducer. By analyzing the reflected sound waves…

Tissue Doppler (Tissue Velocity Imaging)

…study myocardial motion. Myocardial motion during systole and diastole alter the frequency of ultrasound waves that are reflected back to the transducer. There are two…

Blood pressure

…measurement technique is the most common cause of misclassification. Five minutes' seated rest, back and arm supported, legs uncrossed, no conversation Cuff width ≥ 40% of…

Media

No matches.

Tests

Tools