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Cardiac arrest in hyperthermia and malignant hyperthermia

…6°C (97.7 99.7°F). It arises when heat production or acquisition surpasses the body's capacity for heat elimination. Hyperthermia can induce an inflammatory…

Lung function and respiration

…FiO₂ 53 kPa ( 400 mmHg) Alveolar gas equation PAO₂ = FiO₂ × (Patm − PH₂O) − PaCO₂/R R ≈ 0.8 A–a gradient PAO₂ − PaO₂ < 2…

Cardiac amyloidosis

…awareness is essential in patients with severe aortic stenosis, particularly the low flow, low gradient phenotype, or those undergoing aortic valve replacement [1, 5, 10]…

Posterior Myocardial Infarction: Diagnosis on the Standard ECG

…involving the posterior region of the left ventricle, usually as part of an inferoposterior or posterolateral infarction. Its recognition is clinically important because posterior infarction…

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

…Maximum gradient Maximum velocity Small PS <36 mmHg <3 m/s Moderate PS 36 64 mmHg 3 4 m/s Pronounced PS 64 mmHg 4…

Tricuspid stenosis

…PHT) exceeds 190 ms in pronounced stenosis. Mean pressure gradient 5.0 mmHg suggests a clinically significant stenosis. Tricuspid stenosis results in increased right atrial…

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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