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Cardiac arrest in hyperthermia and malignant hyperthermia

…coma. As above but with lower temperatures. Electrolyte replacement. Large infusions of fluids are typically needed. Table 1. Grading of hyperthermia. Body temperature should decrease…

Lung function and respiration

…Since 2022 the z score with a lower limit of normal at z = −1.64 (the fifth percentile) has been recommended in preference to…

Cardiac amyloidosis

…clinical suspicion [1]. Cardiac Signs and Symptoms Patients often present with symptoms of predominant right heart failure, including lower extremity edema, ascites, and hepatic enlargement …

Posterior Myocardial Infarction: Diagnosis on the Standard ECG

…cells. The resulting voltage gradient between normal and ischaemic myocardium generates currents of injury that are expressed on the surface ECG as ST segment displacement…

SGLT2 Inhibitors for Cardiovascular and Renal Protection

…the S3 segment. SGLT2 also mediates proximal tubular sodium reabsorption, with chloride following passively down the resulting electrochemical gradient. By inhibiting SGLT2, these drugs produce…

Aortic stenosis

…term outcomes. Patients with low flow low gradient aortic stenosis (discussed below) have a 3 year survival rate of 50% ( Eleid et al ). The cause…

Pulmonary regurgitation

…in the parasternal short axis view. Pressure gradient and pressure half time (PHT) are also estimated using continuous Doppler. A dense regurgitant jet with rapid…

Pulmonary stenosis

…pressure (PA pressure, PASP) can be estimated by subtracting the pressure gradient across the valve (ΔP) from right intraventricular pressure. The systolic PA pressure…

Tricuspid stenosis

…of tricuspid stenosis. Yet, there is no consensus regarding grading of tricuspid stenosis severity. Tricuspid stenosis is visually characterized by thickened leaflets, with reduced motion…

Blood gas interpretation: quick reference for acid-base disorders

…Acidosis and alkalosis , which describe processes that lower and raise pH respectively. A patient may therefore have both an acidosis and an alkalosis at the…

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