Hyperphosphataemia
Hyperphosphataemia: renal failure; increased renal resorption (hypoparathyroidism, thyrotoxicosis); cellular injury with release (tumour lysis syndrome, rhabdomyolysis, haemolysis, ischemic gut)
CCC
The LITFL Critical Care Compendium is a comprehensive collection of pages concisely covering the core topics and controversies of critical care.
Shunts and Echocardiography
OVERVIEW can use bubble testing to ID calculate gradients if L->R shunt reverses due to pulmonary hypertension it is Eisenmenger syndrome Echo may not detect extra-cardiac shunts ASD patent foramen ovale (30% incidence in general population) ostium secundum ostium primum…
Transoesophageal Echocardiography
Transoesophageal Echocardiography: allow real time anatomical and physiological assessment of cardiac status; probes (single, bi, omiplane and epivascular)
Mitral Regurgitation Echocardiography
Mitral Regurgitation Echocardiography
Defibrillators
Defibrillator: application of an electrical current across the heart to convert VF/VT -> sinus rhythm
Abdominal Compartment Syndrome
Abdominal Compartment Syndrome and Intra-abdominal Hypertension
Electrolyte Abnormalities Summary
Electrolyte Abnormalities Summary
Calcium Replacement
Calcium Replacement: controversial issue; generally accepted that patient should have replacement if ionised Ca2+ < 0.8mmol/L
Transthoracic Echocardiography
Transthoracic Echocardiography (TTE) Increasing useful bedside test with increasing role in critical care; position marker on right
Pulmonary Hypertension Echocardiography
Pulmonary hypertension is present when mean pulmonary artery pressure exceeds 25 mm Hg at rest or 30 mm Hg with exercise.
Thyroid Function Tests
Thyroid Function Tests and basic interpretation
Spinal cord infarction
Spinal cord infarction is necrosis of a portion of the spinal cord as a result of an interruption of the blood supply to the spine