…on HbA1c. Albumin affects the total calcium — use the ionised calcium or correct for albumin. Biotin supplements interfere with many immunoassays, including troponin and TSH.

…sufficient if respiratory failure is not suspected Shock with a large arteriovenous difference Arterial sample, sometimes supplemented with a central venous sample Common approximate arterial…

…negligible, and doses do not require reduction in patients with renal disease; neither amiodarone nor desethylamiodarone is dialyzable. The volume of distribution is large, averaging…

…a large randomized trial involving 7447 individuals at high cardiovascular risk reported a 30% reduction in major cardiovascular events with a Mediterranean diet supplemented with…

…transferred directly to patients with less acute outpatient symptoms. Natriuretic peptides supplement, rather than replace, clinical assessment. The result should be integrated with the history…

…approximately 20–50%. Their greater analytical sensitivity improves diagnostic accuracy and negative predictive value in patients with suspected acute coronary syndrome (ACS). Cardiac troponin is…

…blood count, creatinine with eGFR and liver function tests before starting. A complete medication list including over the counter drugs, herbal remedies and supplements. An…

…after initiation of ACE inhibitors, especially in patients with preexisting azotemia, hypotension, hyponatremia, diabetes mellitus, or in those taking potassium supplements. When managing albuminuria or…