Severity Clinical circumstances A. Develops in presence of extracardiac condition that intensifies myocardial ischemia (secondary UA) B. Develops in absence of extracardiac condition (primary UA) C. Develops within 2 week…
Stable angina pectoris Unstable angina pectoris Variant angina (“Prinzmetal’s angina”) Acute myocardial infarction Non-Q wave or non-ST-elevation (usually nontransmural infarcts) Q-wave or ST-segment elevation (usually transmural myocardial infarcts) Angina pectoris…
Absolute Acute myocardial infarction (within 2 days) High-risk unstable angina Uncontrolled cardiac arrhythmias causing symptoms or hemodynamic compromise Symptomatic severe aortic stenosis Uncontrolled symptomatic heart failure Acute pulmonary embolus or…
Fig. 5.1 Schematic of radiographic imaging system for cine angiography. The x-ray beam is generated by an x-ray tube (lower right box). The beam passes through a collimator (lower left…
Fig. 12.1 Comparison of coronary stents versus medical management (Adapted from Stergiopoulos and Brown [10] with permission from American Medical Association) Fig. 12.2 Randomized medicine, angioplasty or surgery study (MASS)…
Disease Indications Ischemic heart disease Diagnosis of patients with intermediate pretest probability who have an uninterpretable ECG or who are unable to exercise. Vasodilator perfusion CMRI or dobutamine CMRI should…
Fig. 25.1 Freedom from additional revascularization among coronary artery disease (CAD) patients in the MASS-II trial who received medical treatment only (MT), coronary artery bypass grafting (CABG), or percutaneous coronary…
Fig. 10.1 Analysis of wall motion. The left ventricle can be divided into 17 segments and identified by a series of longitudinal views: (1) apical four-chamber, (2) apical two-chamber, (3)…
Fig. 1.1 Diagram of the usual anatomic distribution of the coronary arteries also showing a typical distribution of atherosclerotic plaques (dark areas). The blood supply to the heart is provided…
Fig. 14.1 “Burst” technology, allowing parts of each image to be used for reconstruction. In this example, portions of two consecutive images were used, to allow the temporal resolution of…
