ECG Left main coronary artery occlusion Left main coronary artery (LMCA) occlusion is a rare but catastrophic manifestation of acute coronary syndromes. The LMCA supplies…

…impairment of gas exchange Hypotension, cool peripheries or rising lactate Circulatory compromise or an alternative diagnosis Silent or nearly silent chest Very severe airflow obstruction…

…In some of these patients, microvascular obstruction or epicardial spasm may account for the ischaemia. STEMI usually results from rapid thrombotic occlusion of a previously…

…HCM) — This type of cardiomyopathy is characterized by pronounced hypertrophy of the myocardium. It may also lead to obstruction of the LVOT (Hypertrophic Obstructive Cardiomyopathy…

…Inadequate ventilation with a rising pCO₂ and respiratory acidosis, or a markedly increased work of breathing with impending exhaustion. Threatened airway obstruction: inhalation injury, anaphylaxis…

Procedurer The value of the exercise test lies not in ST depression alone but in the overall picture : exercise capacity, symptoms, blood pressure response, heart…

…altitude sickness Aspiration Chronic obstructive pulmonary disease (COPD) Bronchospasm (asthma) Other : Coma Central hypoventilation syndromes Neuromuscular diseases Anemia The natural course of asphyxia Should ventilation…

…reduced, potentially leading to complete obstruction of venous return by the uterus. This can be remedied by manual displacement of the uterus to the left…

…obstruction) of the left main coronary artery (LAD) or 2 epicardial coronary arteries (Felker et al). Left ventricular dilation entails a markedly elevated risk of…

…plaque and future events Angiographic stenosis severity is an imperfect predictor of future myocardial infarction or sudden death. Lesions causing only mild obstruction may rupture…