…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…

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…

…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…

…for a cardiovascular cause [4]. 2. Aortic Dissection Pain Characteristics: The classic symptom is a severe, often sharp pain that characteristically radiates to the back…

…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…

…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…

…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…

…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…

…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…

…90 Thresholds for different measurement methods Measurement technique Faulty measurement technique is the most common cause of misclassification. Five minutes' seated rest, back and arm…