…Velocity Imaging) Previous chapters on Doppler imaging have all focused on measurements of blood flow. However, the Doppler effect can also be used to study…

…SPECT imaging is recommended as the initial study in patients with low to moderate risk of CAD. In patients with a high to very high…

…If the examination is performed urgently, the examination can be performed before personal identification data is assigned to the study. Electrocardiogram (ECG) The ECG is…

…and infarction Definition and conceptual framework Acute coronary occlusion is the abrupt or progressive reduction of coronary blood flow sufficient to produce myocardial ischaemia and…

…disease Type 3 Focal or tubular stenosis resembling atherosclerosis Often requires intravascular imaging to demonstrate an intramural haematoma or double lumen Type 1 is reported…

…autosomal dominant syndrome (4). Figure 1 . 12 lead ECG (presented according to Cabrera), recorded at 63 years of age, demonstrates concave upward ST segment depression…

…which during systole travels towards the apex, and then recoils to its starting position. Mitral annulus velocity is used to study longitudinal contraction; during systole…

…intravascular imaging provides cross sectional and longitudinal information about the artery. The clinical value of these techniques rests on their ability to characterize the anatomy…

…Imaging is generally performed at rest and during exercise or pharmacological stress, allowing comparison between myocardial blood flow states. MPI is used principally to: Diagnose…

Echocardiography Ultrasound artifacts The following artifacts are common in ultrasound imaging: The ultrasound image displays non existing structures. The ultrasound image does not display existing…