ECG Myocardial ischemia and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes…

…symptoms or signs, with or without electrocardiographic changes, and with or without acute elevations in cardiac troponin concentrations. Based on the presenting electrocardiogram (ECG) and…

…in isolation. The initial diagnosis and triage depend on integration of symptoms, vital signs, the ECG, and serial cardiac troponin measurements. Evaluation and physical examin

…with recent changes in symptoms or signs, with or without ECG abnormalities and with or without an elevation in cardiac troponin. The underlying pathological mechanism…

…breathing and circulation. 2. Assess the neurological symptoms and at the same time exclude other acute causes, for example hypoglycaemia, poisoning, stroke, meningitis and a…

…to investigate General indications Patients with suggestive signs, symptoms, or medical histories should undergo appropriate screening for secondary hypertension. The initial clinical assessment should establish:…

…50 beats per minute in the first 4 to 6 hours after an acute infarction—patients may develop hypotension and signs of end organ hypoperfusion…

…digoxin exerts significant systemic effects via the autonomic nervous system. It attenuates carotid sinus baroreceptor activity and acts centrally and peripherally to enhance vagal tone…

…The clinical evaluation includes: Symptom burden and functional limitation Evidence of heart failure Haemodynamic stability Diabetes status Renal dysfunction and other important comorbidities Frailty Liver…

…beyond the arrhythmia itself. It may cause symptoms and impaired quality of life, contribute to heart failure, and increase the risk of stroke and other…