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Chronic Coronary Syndrome: Diagnosis and Initial Evaluation

…coronary disease. Angina or ischaemia caused by epicardial vasomotor dysfunction or microvascular abnormalities without obstructive epicardial disease. The non acute phase after ACS or coronary…

Invasive Coronary Angiography: Indications and Vascular Access

…obstruction. In patients with anginal symptoms and unobstructed or non obstructive coronary arteries, possible mechanisms include microvascular obstruction, endothelial dysfunction and epicardial coronary spasm. The…

Antianginal Therapy: Beta-Blockers, Calcium Channel Blockers, Nitrates, and Ranolazine

…of angina may differ between patients. Myocardial ischaemia may result predominantly from obstructive epicardial coronary disease, coronary vasospasm, microvascular dysfunction, or combinations of these mechanisms…

Pre-test Probability and Selection of Non-invasive Testing in Stable Angina

…obstructive atherosclerotic CAD, coronary microvascular dysfunction or vasospasm. A normal or non obstructive coronary anatomy does not necessarily exclude an ischaemic mechanism. Clinical assessment and…

ST-Segment Elevation Myocardial Infarction: Diagnosis and ECG Criteria

…also by the vulnerability of the myocardium and coronary microcirculation. Endothelial dysfunction promotes leukocyte and platelet activation and interaction. Thrombotic debris may worsen microvascular obstruction…

Type 2 Myocardial Infarction: Mechanisms and Management

…coronary artery spasm, coronary microvascular dysfunction (encompassing endothelial dysfunction, smooth muscle cell dysfunction, and dysregulation of sympathetic innervation), coronary embolism, and spontaneous coronary artery dissection…

Myocardial Injury Versus Infarction: Interpreting Troponin Elevation

…Mechanism or clinical setting Examples Acute coronary atherothrombosis Plaque disruption or erosion with thrombosis Reduced myocardial perfusion Coronary spasm, microvascular dysfunction, coronary embolism, coronary dissection…

Myocardial Perfusion Imaging With SPECT and PET

…diffuse atherosclerosis, and coronary microvascular dysfunction. A reduced value may therefore identify clinically important vascular dysfunction even when regional perfusion images appear normal. Radionuclide imaging…

Incretins in Cardiometabolic Medicine: Leveraging GLP-1, GIP, and Glucagon Receptor Agonism for Cardiovascular Risk Reduction

…as intermuscular adipose tissue (IMAT), is independently associated with coronary microvascular dysfunction and major adverse cardiovascular events (MACE), whereas BMI alone often fails to capture…

Heart Failure With Preserved Ejection Fraction: Diagnosis and Treatment

…chronic kidney disease (CKD), and multiple non cardiovascular conditions are frequent features. A proposed disease pathway involves systemic and coronary microvascular endothelial inflammation associated with…

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