…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…

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

…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…

…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…

…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…

…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…

…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…

…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…

…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…

…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…

…E/e′ (mean) < 14 < 14 Aortic valve area 3.0–4.0 cm² 3.0–4.0 cm² Grading of aortic stenosis: mild…

…< 0,6 Measured parameters Aortic sclerosis Mild stenosis Moderate stenosis Severe stenosis Mean gradient (mmHg) < 20 20 40 40 Peak velocity (m/s…

…linked to adverse outcomes. Left Ventricular Outflow Tract Gradient (LVOTG) : LVOT obstruction is a risk factor for heart failure and arrhythmias. Family History of Sudden…

…bolus to correct acute hypotension. Hypotension (any) Used to increase MAP during hypotension in aortic stenosis. Used to decrease LVOT gradient in HCM Used to

…5 cm² 1,5 1,0 cm² < 1,0 cm² Mean gradient < 5 mmHg 5 10 mmHg 10 mmHg Additional parameters Mild stenosis…

…stenosis Mild stenosis Moderate stenosis Severe stenosis Peak velocity (m/s) < 3 43528 4 Peak gradient (mmHg) < 36 36 64 64 References 1…

…– Pubmed Link Tricuspid valve stenosis Mean pressure gradient ≥ 5 mmHg Valve area according to the continuity equation (cm²) ≤ 1 cm² ZTime velocity integral of the…

…– Pubmed Link Tricuspid valve stenosis Mean pressure gradient ≥ 5 mmHg Valve area according to the continuity equation (cm²) ≤ 1 cm² ZTime velocity integral of the…

…pressure gradient between the left atrium and the left ventricle. Left ventricular compliance (i.e the ability of the ventricle to relax and stretch out…

…Acquired advanced or complete heart block Hypertrophic obstructive cardiomyopathy with severe resting gradient Recent stroke or transient ischemic attack Mental impairment with limited ability to…

…bolus to correct acute hypotension. Hypotension (any) Used to increase MAP during hypotension in aortic stenosis. Used to decrease LVOT gradient in HCM Used to

…The greater the compliance, the better the ability to relax and stretch out during diastole. During IVRT the pressure in the left ventricle decreases and…

Echocardiography The Bernoulli principle and pressure gradients using Doppler measurements Continuous wave Doppler and pulsed wave Doppler can measure the velocity of erythrocytes as they…

…doses of an inhaled short acting β2 agonist, ipratropium in more severe attacks, and a systemic steroid given early [2,3]. Grading Grade the severity…

…is the first line treatment and must be given early when anaphylaxis is suspected. Do not wait for a complete diagnosis or for grading. Antihistamines…

…provides more elemental calcium per millilitre and can be given rapidly through secure intravenous or intraosseous access. Grading There is no entirely uniform international grading…

…is a warning sign of impending overcorrection. Grading Hyponatraemia is defined as a plasma sodium below 135 mmol/L. The biochemical grade alone does not…

…a diagnosis. Risk grading in confirmed pulmonary embolism Risk Haemodynamics Right ventricular strain (echo or CT) Troponin Management : : : : : High Unstable Yes Often raised Reperfusion, intensive…

…preferred. An increase of 1 2 mEq/L per hour for a total of 4 6 mEq/L in 24 hours may be targeted. Chronic…

…RVOT (Right Ventricular Outflow Tract). The measurements are made at the aortic valve plane in the parasternal short axis view. SV tricuspid = Area RVOT…