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…

…pressure gradient ≥ 5 mmHg Valve area according to the continuity equation (cm²) ≤ 1 cm² ZTime velocity integral of the tricuspid inflow (cm) 60 cm Pressure…

…peripheral use +++++ +++ ++ 0 Potent vasoconstrictor with mild inotropic effect. Increases systolic pressure, diastolic pressure and pulse pressure with minimal effect on CO. Minimal chronotropic effect…

…peripheral use +++++ +++ ++ 0 Potent vasoconstrictor with mild inotropic effect. Increases systolic pressure, diastolic pressure and pulse pressure with minimal effect on CO. Minimal chronotropic effect…

…a mean gradient ≥ 40 mmHg. Fluid responsiveness Static measures such as the CVP predict fluid responsiveness poorly. Dynamic measures are better: a pulse pressure variation…

…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…

…usually thickened and during systole leaflet doming appears. The proximal part of the pulmonary artery is frequently dilated. The maximum and mean pressure gradient is…

…there is no consensus regarding grading of tricuspid stenosis severity. Tricuspid stenosis is visually characterized by thickened leaflets, with reduced motion and potentially fused commisures…

…low gradient phenotype, or those undergoing aortic valve replacement [1, 5, 10]. A history of increasing frequency of hospitalizations and visits for heart failure without…

…contract plasma volume and modestly lower blood pressure. Increased sodium delivery to the macula densa restores tubuloglomerular feedback, causing afferent arteriolar vasoconstriction and reducing glomerular…

…valve and passive flow of blood from the atrium to the ventricle. Thus, the initial flow (ventricular filling) is propelled by the pressure gradient between…

…alternative diagnoses and high risk features of acute coronary syndrome. The physical examination should include: Assessment of all major peripheral pulses. Blood pressure measurement in…

…type of stenosis. The patients with low flow (stroke volume index <35 ml/m²) and low gradient (<40 mmHg) displayed the worst prognosis. Adapted from…

…pressure gradient ≥ 5 mmHg Valve area according to the continuity equation (cm²) ≤ 1 cm² ZTime velocity integral of the tricuspid inflow (cm) 60 cm Pressure…

…flows into the left ventricle, the pressure gradient between the left atrium and the ventricle diminishes, and the passive filling subsides. The greater the ventricular…

…contracta (cm) < 0,3 0,3 0,6 0,6 PHT (pressure half time) CW doppler 500 200 500 < 200 Diastolic flow reversal…

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

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

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

…The grading must not be used mechanically. A patient with a plasma potassium of 6.2 mmol/L, new bradycardia and acute kidney injury may…

…24 and 48 hours. 7. Start a fluid balance chart and hourly urine measurement. Sudden polyuria is a warning sign of impending overcorrection. Grading Hyponatraemia…

…a pulse ≥ 110/min, a systolic blood pressure < 100 mmHg and a saturation < 90 per cent. An sPESI of 0 indicates low risk…

…age, height and ethnicity — not against absolute figures. Since 2022 the z score with a lower limit of normal at z = −1.64 (the…

…or a mixed metabolic and respiratory acidosis if the pCO₂ is not low enough High Low Normal or low Respiratory alkalosis High High High Metabolic…

…et al. (2003): Recommendations for evaluation of the severity of native valvular regurgitation with two dimensional and Doppler echocardiography. In Journal of the American Society…

…Cyanosis, exhaustion, hypotension or collapse The classification is based on a combination of clinical findings, oxygenation and objective measurement of airflow. International thresholds vary somewhat…

…treatment Adrenaline infusion and advanced resuscitation in a monitored setting The grade can change within minutes. Treat the current physiological threat, not the grading label…

CPR Hyperthermia and malignant hyperthermia Hyperthermia is characterized by a body temperature exceeding the typical range of 36.5 37.6°C (97.7 99.7°F…

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

…the diameter and VTI are measured in the RVOT (Right Ventricular Outflow Tract). The measurements are made at the aortic valve plane in the parasternal…