30 träffar

ArticleReferensvärden
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…

ArticleCardiology
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…

ArticleEchocardiography
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…

ArticleEchocardiography
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…

ArticleEchocardiography
Pulmonary stenosis

…pressure (PA pressure, PASP) can be estimated by subtracting the pressure gradient across the valve (ΔP) from right intraventricular pressure. The systolic PA pressure…

ArticleEchocardiography
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…

ArticleKunskapsbas
🟠 HCM Risk-SCD Calculator

…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…

ArticleInfo
🟠 Inotropes and Vasopressors

…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

ArticleKunskapsbas
🟠 Mitral valve

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

ArticleKunskapsbas
🟠 Pulmonary valve

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

ArticleKunskapsbas
🟠 Tricuspid valve

…– 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…

ArticleEchocardiography
Left ventricular diastolic function

…wave . As blood flows into the left ventricle, the pressure gradient between the left atrium and the ventricle diminishes, and the passive filling subsides. The…

ArticleCPR
Cardiac arrest due to electrolyte imbalance

…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…