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Cardiac arrest in hyperthermia and malignant hyperthermia

…are typically needed. Table 1. Grading of hyperthermia. Body temperature should decrease at a rate of 0.1°C/min during the cooling process. Malignant hyperthermia…

Lung function and respiration

…mmHg) Alveolar gas equation PAO₂ = FiO₂ × (Patm − PH₂O) − PaCO₂/R R ≈ 0.8 A–a gradient PAO₂ − PaO₂ < 2 kPa in the young…

Cardiac amyloidosis

…Heightened awareness is essential in patients with severe aortic stenosis, particularly the low flow, low gradient phenotype, or those undergoing aortic valve replacement [1, 5…

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

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

Pulmonary stenosis

…mean pressure gradient is calculated using continuous wave (CW) doppler placed along the pulmonary valve in the parasternal short axis view (PSAX). The gradient is…

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

…pO₂, A–a gradient or PaO₂/FiO₂ Arterial blood gas COHb or MetHb Arterial or venous sample with co oximetry Follow up of pH in…

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