…serum concentration. Alkalinisation increases renal elimination several fold and at the same time reduces the passage of salicylate into the central nervous system. Contact your…

…salicylate poisoning, intubation with an inadequate minute ventilation can rapidly worsen the acidaemia and increase the entry of salicylate into the central nervous system. Discuss…

…measurements provide only a limited representation of usual blood pressure and may be biased by the clinical environment. Out of office measurement is consequently central…

…dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure and central venous oxygen saturation. Repeated blood sampling during intensive care. Exhausted…

…variable and echocardiographic measurement has meaningful variability. Patients with LVEF 40% have substantial morbidity and mortality, despite often having a greater burden of cardiovascular and…

…of additional leads. Evaluation and Physical Examination At first medical contact, assessment should occur concurrently with acquisition of the initial ECG. Evaluation includes prompt measurement…

…whom non invasive measurement is unreliable: marked obesity, pronounced vasoconstriction, arrhythmia, intra aortic balloon pump. Assessment of stroke volume variation as part of fluid management…

…null The current ERC and ESICM recommendation is continuous core temperature measurement and the active prevention of fever — defined as a temperature above about 37…

…excluded with out of office measurements. Objective assessment of adherence may be undertaken where resources permit, using directly observed treatment or detection of prescribed drugs…

…fluid and lactate measurement. A meta analysis of emergency department alert systems found an association with lower mortality, but most of the evidence was observational…

…investigator performs simple measurements and Doppler recordings, which the ultrasound machine uses to calculate various hemodynamic parameters. The Doppler effect The central principle to all…

…risk balance of revascularization. Coronary angiography remains primarily an anatomical examination, whereas contemporary decision making increasingly combines anatomical imaging with functional assessment. A central practical…

…pressures are reduced. The central management principle is preservation of adequate right ventricular preload while supporting left ventricular performance and systemic circulation. Improvement in left…

…Capnography refers to the measurement of end tidal carbon dioxide (ETCO 2 ) in the respiratory system. ETCO 2 is the partial pressure of carbon dioxide …

…is derived by measuring flow velocities across the mitral valve using pulsed Doppler. Estimating left ventricular filling pressure via e' . Measurement of deceleration time (DT) …

…employed to evaluate myocardial perfusion by measuring the intensity of their uptake within the myocardium. Furthermore, certain radiotracers enable direct measurement of coronary blood flow…

…with its most common waveforms. Important intervals and points of measurement are depicted. ECG interpretation requires knowledge of these waves and intervals. The P wave…

…high Lp(a) level may lead to substantial underestimation of cardiovascular risk. Conversely, Lp(a) measurement provides limited additional reclassification beyond currently recommended global risk…

…Ejection fraction is routinely examined at rest, which does not reveal the functional (maximum) capacity of the left ventricle, as this would require measuring the…

…with ejection fraction. Similar to ejection fraction, fractional shortening is affected by preload and afterload. It possible to calculate fractional shortening using measurements in 2D.

…measured by using the PR segment as the baseline. Refer to Figure 1 . The QRS complex The QRS complex represents the depolarization (activation) of the…

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

…measurement in evaluating aortic root morphology. Age stratified formulas help determine expected normal values based on body surface area (BSA), aiding in the diagnosis of…

…preferably confirmation by home measurement or 24 hour recording — the thresholds for which are lower than for office measurement. Classification of office blood pressure Category…

…the accuracy of the measurement. Flow velocity in LVOT : Velocity is measured in apical four chamber view (4C) or five chamber view (5C) using pulsed…

Procedurer The value of the exercise test lies not in ST depression alone but in the overall picture : exercise capacity, symptoms, blood pressure response, heart…

…e.g left ventricular diameter, are evaluated in several views in order to assess the reliability and reproducibility of the measurements. The parasternal and apical…

…at the end of expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement Calculation Threshold : : : Waist–hip ratio Waist…

…aphasia and radiological changes resembling ischaemic stroke. Glucose measurement is therefore always part of the initial stroke assessment [1]. Treat immediately when there are symptoms…

…coach actively, and do not accept a trace you would not be prepared to show a colleague. Indications Investigation of chronic cough, dyspnoea, wheeze or…

…should include: palpation of peripheral pulses; auscultation for carotid, femoral, and abdominal bruits; bilateral brachial blood pressure measurement; cardiac auscultation; inspection of the legs and…

…we outline the methodology and clinical applications of shunt fraction calculation. Echocardiographic Calculation of Qp/Qs 1. Measurement of Left Ventricular Outflow Tract (LVOT) Diameter…

…How to measure the QT interval Measurement of the QT interval may be difficult due to T wave changes. Causes of prolonged QTc duration Antiarrhythmics …

…with a subsequent measurement of 40% [14] . This distinction is paramount for practicing cardiologists: HFimpEF represents a state of myocardial remission rather than true recovery…

…types of heart failure: HFPEF , HFmrEF and HFREF . This classification is based primarily on the measurement of left ventricular ejection fraction (LVEF). The majority of…

…types of heart failure: HFPEF , HFmrEF and HFREF . This classification is based primarily on the measurement of left ventricular ejection fraction (LVEF). The majority of…

…be regarded as a series of completely discrete diseases. Heart failure extends across the full range of LVEF, and echocardiographic measurement is subject to meaningful…

…PW Doppler) sends short pulses of ultrasound and analyzes reflected sound waves between the pulses. This is accomplished by using the same piezoelectric crystals to…

…up and staging of lymphoma and myeloma. Suspected bone marrow metastasis. Assessment of treatment response and measurement of residual disease (MRD). Fever of unknown origin…

…area of the LVOT, as illustrated in Figure 1. Figure 1. Calculation of stroke volume in the LVOT, using pulsed wave Doppler and measurement of…

…still and lowered at each measurement, and not to talk. Otherwise ordinary activities, including work. No showering or bathing. A diary of going to bed…

Echocardiography Tissue Doppler (Tissue Velocity Imaging) Previous chapters on Doppler imaging have all focused on measurements of blood flow. However, the Doppler effect can also…

…hypoxia, drug withdrawal and incorrect blood pressure measurement must be corrected before treatment is intensified [1,2]. The evidence that any particular intravenous drug improves…

…case add toe pressure measurement. Absolute: ABI < 0.5 or toe pressure < 30 mmHg. Decompensated heart failure — compression of both legs acutely increases…

…Importantly, the vast majority of recommended ECG criteria (e.g. criteria for acute myocardial infarction) have been derived and validated using the 12 lead ECG…

…of breathing Accessory muscle use Cyanosis, exhaustion, hypotension or collapse The classification is based on a combination of clinical findings, oxygenation and objective measurement of…

…resolved. Capillary measurement of beta hydroxybutyrate has high diagnostic accuracy [2]. A venous blood gas is generally sufficient for the assessment of pH and bicarbonate…

…tau). Measurement of the opening pressure in suspected idiopathic intracranial hypertension. Therapeutic drainage in idiopathic intracranial hypertension and in assessment before shunt surgery. Contraindications Clinical…

…impairment or a large residual volume. A need for accurate measurement of urine output in a critically ill patient. Perioperatively and postoperatively in longer procedures…

…Measuring the radius of PISA. Color Doppler is used to revealing PISA. As discussed earlier, aliasing occurs when using color Doppler to analyze velocities greater…

…Drug Standard dose Reduced dose and criterion : : : Apixaban 5 mg twice daily 2.5 mg twice daily if at least two of: age ≥80 years…

…leg raising with an increase in stroke volume 10%, or inferior vena cava variability . In the absence of responsiveness, fluid does more harm than good.

…of the chosen finding — measurement, photograph or video. 3. Give atropine 0.5 mg intravenously (alternatively glycopyrronium 0.2 mg) to reduce the risk of…

…ala of the nose over the earlobe to the middle of the sternum. The depth is usually around 30–40 cm. Mark the measurement on…

…12 lead ECG Initial hs cTn measurement Continuous cardiac monitoring The source material does not provide a detailed list of physical examination findings or a…

…U waves that are fused with the T wave should be included in the measurement. This may result in an overestimation of the QT interval…

…apply to the anti inflammatory effect. They say nothing about the mineralocorticoid effect or about suppression of the HPA axis, where a long half life…

…airway, breathing, circulation and level of consciousness. 2. Attach ECG, pulse oximetry and repeated blood pressure measurement when a hypertensive emergency is suspected. 3. Insert…

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

…a high risk of hypoglycaemia 8–12 mmol/L The critically ill patient in intensive care According to the local protocol Avoid tight targets in…