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Urinary alkalinisation

…risk of tetany and seizures. Anuria or established renal failure. Without urine production there is no urine to alkalinise, and the sodium and volume load…

Urinary catheterisation

…Indications Acute urinary retention. Chronic urinary retention with renal impairment or a large residual volume. A need for accurate measurement of urine output in a…

Hypertensive crisis: drugs and doses

…myocardial ischaemia or cerebral hypoperfusion. Pain, anxiety, urinary retention, hypoxia, drug withdrawal and incorrect blood pressure measurement must be corrected before treatment is intensified [1…

Edrophonium test

…to edrophonium. Mechanical obstruction of the bowel or the urinary tract. Marked bradycardia, sick sinus syndrome or high grade AV block without pacemaker protection. Asthma…

Targeted temperature management after cardiac arrest

…contractility of hypothermia are not tolerated. A decision to withhold further life sustaining treatment. Preparation and equipment Continuous core temperature measurement. An oesophageal probe or…

Antibiotic dosing in renal impairment: quick reference

…continued, dosing is guided by drug concentration measurement. At a creatinine clearance <20 mL/min, consider an alternative treatment In aminoglycoside treatment of obese patients…

Arterial Hypertension: Definition, Diagnosis and Out-of-Office Measurement

…or ambulatory pressure. Masked hypertension: office pressure below the hypertension threshold but hypertensive home or ambulatory pressure. Office measurements provide only a limited representation of…

Capnography (end-tidal carbon dioxide measurement, ETCO2) during cardiac arrest

…before the next inspiration. Phase 0 : Indicates the beginning of the next inspiration. Normal ETCO 2 : 38 mmHg (5 kPa) or 5%. Monitoring ETCO 2…

Assessment of diastolic function by echocardiography

…across the mitral valve using pulsed Doppler. Estimating left ventricular filling pressure via e' . Measurement of deceleration time (DT) . Diastolic function can be estimated from…

Principles of myocardial perfusion imaging (SPECT, PET), coronary blood flow and flow reserve (CFR)

…and parasympathetic influences; sympathetic stimulation leads to vasoconstriction through the release of norepinephrine, while parasympathetic activation can cause vasodilation via acetylcholine release. These mechanisms collectively…

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