…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…

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

…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…

…low gradient (<40 mmHg) displayed the worst prognosis. Adapted from Eleid et al . NF = normal flow; LF = low flow; HG = high gradient…

…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…

…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…

…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…

…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…

… severe, ≥ 4.0 m/s or a valve area < 1.0 cm² with a mean gradient ≥ 40 mmHg. Fluid responsiveness Static measures such as…

…parameters Aortic sclerosis Mild stenosis Moderate stenosis Severe stenosis Mean gradient (mmHg) < 20 20 40 40 Peak velocity (m/s) 1,8 2,5…

…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…

…induced increase in myocardial O 2 consumption) Regular : 2.0–20 μg/kg/min Max : 40 μg/kg/min + +++++ +++ 0 Potent inotrope with…

…cm² Mean gradient < 5 mmHg 5 10 mmHg 10 mmHg Additional parameters Mild stenosis Moderate stenosis Severe stenosis Pulmonary artery pressure <30 30 50…

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

…Echocardiography 30 (4), pp. 303–371. DOI: 10.1016/j.echo.2017.01.007. – Pubmed Link Tricuspid valve stenosis Mean pressure gradient ≥ 5 mmHg Valve…

…Echocardiography 30 (4), pp. 303–371. DOI: 10.1016/j.echo.2017.01.007. – Pubmed Link Tricuspid valve stenosis Mean pressure gradient ≥ 5 mmHg Valve…

…SV) should be placed between the leaflet tips (1–3 mm axial length of SV) and sweep speed is set to 50 mm/s to…

…gradient Recent stroke or transient ischemic attack Mental impairment with limited ability to cooperate Resting hypertension with systolic or diastolic blood pressures 200/110 mmHg…

…induced increase in myocardial O 2 consumption) Regular : 2.0–20 μg/kg/min Max : 40 μg/kg/min + +++++ +++ 0 Potent inotrope with…

…aorta roughly 100,000 times daily, each time overcoming the aortic resistance, which is typically 110 mmHg or more. It is straightforward to understand why…

…pressure gradient (mmHg) across a valve. Example 1 : A maximum velocity of 4 m/s is measured across the aortic valve. The pressure gradient equals…

…a systemic steroid given early [2,3]. Grading Grade the severity by the most serious finding. A patient does not have to meet every criterion…

…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…

…dangerous than a corresponding stable chronic value [4]. The grading must not be used mechanically. A patient with a plasma potassium of 6.2 mmol…

…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…

…1 point each for age 80 years, cancer, chronic cardiac or pulmonary disease, a pulse ≥ 110/min, a systolic blood pressure < 100 mmHg and…

…brainstem herniation and death. Table 2. Grading of hyponatremia. Hypernatremia Hypernatremia does not cause cardiac arrest. Calcium imbalance Hypercalcemia Definition : P/S Ca 2+ 2…

…using the following formula: RV aorta = SV aorta – SV mitralis Grading of the severity of stenoses using the continuity equation All valvular stenoses must…