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Cardiac arrest due to electrolyte imbalance

…including acute pancreatitis, alkalosis due to hyperventilation, rhabdomyolysis (particularly the initial phase), sepsis, malignancies with osteoblastic metastases, diminished calcium absorption and/or enhanced calcium excretion…

ECG changes due to electrolyte imbalance (disorder)

…node dysfunction and tach brady syndrome. Ventricular tachycardia, ventricular fibrillation and torsade de pointes. Hypocalcemia Causes of hypocalcemia Acute pancreatitis, pancreas surgery, alkalosis (hyperventilation), rhabdomyolysis…

Acute exacerbation of COPD: quick reference

…on intubation early. Initial assessment Confirm that the presentation fits an exacerbation A COPD exacerbation is an acute or subacute worsening of dyspnoea, cough and…

Acute coronary syndrome: quick reference for loading doses and time targets

…dangerous differential diagnoses [1,2]. STEMI and other ECG patterns suggesting acute coronary occlusion are time dependent conditions. The decision on immediate reperfusion is based…

Posterior acute myocardial infarction (STEMI)

Myocardial ischemia and infarction ECG Posterior (posterolateral) acute myocardial infarction (STEMI) The heart is rotated 30° to the left in the thorax. This positions the…

Other ECG changes in ischemia and infarction

…accompany other ischemic ST T changes. They may occur in both NSTEMI and STEMI. QTc prolongation The QT (QTc) interval may be prolonged, shortened or…

Contrast-Associated Acute Kidney Injury: Risk Assessment and Prevention

…many cases, the renal injury probably represents acute tubular necrosis arising from the combined effects of contrast exposure and other ischaemic or nephrotoxic stresses. The…

Acute Coronary Syndrome: Definitions and Initial Triage

…Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial ischaemia without demonstrable acute cardiomyocyte injury or necrosis…

Acute Pulmonary Embolism: Risk Stratification and Reperfusion

…pulmonary vascular obstruction is accompanied by limited cardiopulmonary reserve or other adverse comorbidity. The classification of acute PE comprises four clinically useful groups: High risk…

ST segment elevation in acute myocardial ischemia and differential diagnoses

…upsloping, or downsloping) or convex ST segment strongly suggest acute transmural ischemia ( Figure 1 A ). Concave ST segment elevations, on the other hand, are much…

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