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Diuretic Strategy and Decongestion in Heart Failure

Cardiology Pharmacology & dosing Definition and pathophysiology Congestion is a central expression of the heart failure syndrome and reflects excessive retention of sodium and water, with…

Physics of ultrasound

…a physical medium. This medium may consist of any matter, e.g air, water, metal, or tissue and fluids in the human body. Sound waves…

Hyponatraemia: quick reference for work-up and correction

…primarily a disorder of water balance. The plasma sodium reflects the ratio between the body's exchangeable sodium and potassium and the total body water…

Otoscopy and ear syringing

…the tympanic membrane — including a history of grommets, ear discharge or pain on contact with water. A history of ear surgery in which the middle…

Contrast-Associated Acute Kidney Injury: Risk Assessment and Prevention

…is particularly vulnerable to toxic injury because of its high blood flow and the concentration of filtered substances along the nephron as water is reabsorbed…

Interpreting NT-proBNP and BNP in Clinical Decision-Making

…The biologically active natriuretic peptides promote vasodilation, renal sodium and water excretion, and reduction of cardiac fibrosis through activation of the natriuretic peptide A receptor…

Resistant Hypertension: Evaluation and Treatment

…before resistant hypertension can be defined. The central physiological contributors include excess salt intake and salt and water retention, particularly when kidney function is impaired…

Physics of myocardial perfusion imaging (SPECT, PET): Radiotracers, perfusion, blood flow and viability

…1, 15 O water is the only tracer with myocardial uptake linearly related to coronary blood flow. 15 O Water is an ideal tracer, with…

Anthropometric measurements

…body weight is used for propofol and rocuronium; actual weight for suxamethonium and for hydrophilic drugs distributed in total body water. Body surface area (Mosteller):…

Casting and immobilisation

…commonest cause of pressure sores. 4. Dip the plaster in tepid water and squeeze out the excess without wringing. 5. Put the slab in place…

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