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Physics of myocardial perfusion imaging (SPECT, PET): Radiotracers, perfusion, blood flow and viability

…Quantification of blood flow using PET Quantitative PET perfusion imaging offers precise measurements of myocardial blood flow in milliliters per minute per gram of tissue…

Indications and contraindications for myocardial perfusion imaging

…perfusion imaging can determine whether dysfunctional myocardium or myocardium supplied by a diseased vessel, is viable and could benefit from revascularization. Evaluating the success of…

Standard Transthoracic Echocardiogram: Complete Imaging Protocol

…muscles are considered part of the left ventricular cavity. Other dimensions– including atrial dimensions, mitral annulus, aortic annulus, etc –are measured using the blood tissue…

Intravascular Imaging: IVUS and OCT for PCI Optimisation

…recognition of edge dissection, tissue prolapse, thrombus, or other acute complications; investigation of restenosis and stent thrombosis. Intravascular imaging may also clarify the mechanism of…

Other ECG changes in ischemia and infarction

…ischemia. Inverted U waves are even more typical of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes…

Tissue Doppler (Tissue Velocity Imaging)

Echocardiography Tissue Doppler (Tissue Velocity Imaging) Previous chapters on Doppler imaging have all focused on measurements of blood flow. However, the Doppler effect can also…

Immediate Management of Type A and Type B Aortic Dissection

…followed by disruption of the intima. Intramural haematoma differs from classic dissection because haemorrhage occurs within the media without imaging evidence of an intimal tear…

The Fourth Universal Definition of Myocardial Infarction: Types 1–5

…Definition and pathophysiology Myocardial infarction (MI) is a clinical diagnosis that integrates myocardial injury, evidence of acute myocardial ischaemia, electrocardiographic findings, cardiac biomarkers, imaging, angiography…

Myocardial Perfusion Imaging With SPECT and PET

…when combined with metabolic imaging. Contribute to assessment of cardiac inflammation, infective endocarditis, and cardiac amyloidosis using appropriate radiopharmaceuticals. Functional perfusion imaging primarily identifies haemodynamically…

ECG signs of myocardial infarction: pathological Q-waves & pathological R-waves

…imaging has suggested that pathological Q waves may also arise due to extensive subendocardial infarction (NSTEMI). If pathological Q waves occur as a result of…

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