19 träffar

ArticleEchocardiography
Assessment of diastolic function by echocardiography

…parameters. Blod flow velocities across the mitral valve and mitral annular plane velocity are standard assessments. Mitral flow velocities are measured using Pulsed Doppler. Tissue…

ArticleCardiology
Management of bradycardia (bradyarrhythmia)

…Parameter Assessment A Airway Voice Breath sounds B Breathing Respiratory rate (12–20 / min) Chest wall movements Chest percussion Lung auscultation Pulse oximetry ( 95%) C…

ArticleCardiology
Coronary Artery Disease

…by increasing the level of exertion ( i.e increasing the myocardial load), and vice versa . Stable angina pectoris is a chronic and mostly progressive disease…

ArticleEchocardiography
Doppler effect and Doppler echocardiography

…however, remains unchanged: when the sound source and reflectors move towards each other, sound waves are compressed and vice versa . Erythrocytes reflect ultrasound waves. Because…

ArticleEchocardiography
Performing Echocardiographic Examinations

…of image quality. The ultrasound transducer is held at the tip, using the thumb and the forefinger, while remaining fingers stabilize the grip. The transducer…

ArticleEchocardiography
Physics of ultrasound

…sound waves, which corresponds to the height of the sine curve (Figure 2). High amplitude equals loud sound and vice versa . In Figure 2, two…