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…

…and infarction ECG Definition and Pathophysiology Acute coronary syndromes (ACS) encompass a spectrum of clinical conditions characterized by a recent change in symptoms or signs…

…between myocardial oxygen demand and blood supply, generally during exertion, emotional stress, or another stressor. Manifestations include angina, other chest discomfort, dyspnoea, or no symptoms…

…syndromes, which may present with recent changes in symptoms or signs, with or without ECG abnormalities and with or without an elevation in cardiac troponin…

…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…

…is associated with a greater likelihood of cure. When to investigate General indications Patients with suggestive signs, symptoms, or medical histories should undergo appropriate screening…

…hypothermia, and hyperkalemia. Clinical Presentation and Symptoms The clinical manifestation of bradycardia depends on the adequacy of cardiac output. Isolated sinus bradycardia that is unaccompanied…

…despite optimal neurohormonal blockade and adequate volume control. It is also utilized for ventricular rate control in atrial fibrillation, particularly when other therapeutic options cannot…

…Symptom burden and functional limitation Evidence of heart failure Haemodynamic stability Diabetes status Renal dysfunction and other important comorbidities Frailty Liver cirrhosis Cognitive function and…

…Symptoms and consequences may include: Palpitations and awareness of an irregular or rapid heartbeat Dyspnoea and worsening pulmonary congestion Reduced exercise capacity Symptoms or signs…