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Cardiac arrest in hyperthermia and malignant hyperthermia

CPR Hyperthermia and malignant hyperthermia Hyperthermia is characterized by a body temperature exceeding the typical range of 36.5 37.6°C (97.7 99.7°F…

Lung function and respiration

…age, height and ethnicity — not against absolute figures. Since 2022 the z score with a lower limit of normal at z = −1.64 (the…

Cardiac amyloidosis

…low gradient phenotype, or those undergoing aortic valve replacement [1, 5, 10]. A history of increasing frequency of hospitalizations and visits for heart failure without…

Posterior Myocardial Infarction: Diagnosis on the Standard ECG

…alters the resting membrane potential and action potential duration of affected myocardial cells. The resulting voltage gradient between normal and ischaemic myocardium generates currents of…

SGLT2 Inhibitors for Cardiovascular and Renal Protection

…electrochemical gradient. By inhibiting SGLT2, these drugs produce coupled sodium and glucose loss in approximately a 1:1 stoichiometric relationship. The resulting glucosuria and natriuresis…

Aortic stenosis

…type of stenosis. The patients with low flow (stroke volume index <35 ml/m²) and low gradient (<40 mmHg) displayed the worst prognosis. Adapted from…

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

…the pressure gradient across the valve (ΔP) from right intraventricular pressure. The systolic PA pressure is an indicator of cardiac hemodynamic status and may…

Tricuspid stenosis

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

Blood gas interpretation: quick reference for acid-base disorders

…or a mixed metabolic and respiratory acidosis if the pCO₂ is not low enough High Low Normal or low Respiratory alkalosis High High High Metabolic…

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