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ECG manifestations of left main coronary artery (LMCA) occlusion and critical stenosis

…descending artery (PDA) in a left dominant circulation (i.e. 10 15% of cases). Clinically, patients present with severe chest pain, diaphoresis, hypotension, pulmonary edema…

Pulmonary stenosis

…common causes of pulmonic stenosis. Table 1. Causes of pulmonic stenosis. Tetralogy of Fallot Transposition of the great arteries) Dysplastic, bicuspid or unicuspid pulmonary valve…

🟠 Right ventricle, pulmonary artery, pulmonary artery pressure

Right ventricle and pulmonary artery Normal interval Mildly abnormal Moderately abnormal Severely abnormal RV DIMENSIONS Basal RV diameter (RVD 1), cm 2.0–2.8…

Mitral valve stenosis

…activity, mitral stenosis may become symptomatic already at 2.5 cm 2 . A normal mitral valve has an area of 4 to 6 cm 2 …

Coronary Anatomy and Segmental Classification for the Clinician

…than anomalous origin of the right coronary artery. High risk anatomical features include: An interarterial course between the aorta and pulmonary artery A slit like…

Indications and contraindications for myocardial perfusion imaging

…adequate testing Relative contraindications Known obstructive left main coronary artery stenosis Moderate to severe aortic stenosis with uncertain relation to symptoms Tachyarrhythmias with uncontrolled ventricular…

Exercise stress test on cycle ergometer

…ongoing unstable angina. Uncontrolled symptomatic arrhythmia. Symptomatic severe aortic stenosis. Decompensated heart failure. Acute pulmonary embolism or deep vein thrombosis. Acute myocarditis, pericarditis or endocarditis…

Right ventricular strain: definition, causes, echocardiography

…into the pulmonary artery. Resistance may increase in, for example, pulmonary hypertension or pulmonic stenosis. Heart rate . Synchronicity : Optimal contraction requires the majority of all…

Mitral regurgitation

…mitral stenosis. Idiopathic degeneration (Barlow's disease), degeneration associated with connective tissue disorders (Marfan syndrome, Ehlers Danlos syndrome), osteogenesis imperfecta typically causes prolapse of P2…

Coronary Anomalies and Myocardial Bridging

…congenital anomalies include anomalous origin of a coronary artery from the pulmonary artery and anomalous origin of one coronary artery from the opposite aortic sinus…

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