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Category Investigations
ICE -Ian’s clinical emergencies 340

ICE008: ABG Puzzler

A femoral arterial blood gas sample is obtained from a 41 year old man...obtained when the barometric pressure was 272mmHg and the PiO2 47mmHg
ICE -Ian’s clinical emergencies 340

ICE 007: Abdominal pain investigations

A 57 year old man presents to the ED with 18 hours of severe upper abdominal pain, fever, nausea and vomiting. He looks jaundiced, his HR is 120bpm, BP 110/60, RR 22 and his temperature is 37.8oC. He is tender and guarded in his right upper quadrant on abdominal palpation.
CCC Critical Care compendium 340

Hyponatraemia CCC

Cause of HYPOnatraemia Click to enlarge Clinical Severity of symptoms associated with rapidity of loss and extent of fall Complication Correction Depends on rapidity of onset and clinical symptoms Calculations: Na deficit= (desired Na-current Na) x (0.6 x body weight)…

CCC Critical Care compendium 340

Hypernatraemia CCC

Water loss in excess of salt deficit. Hypernatremia is usually due to insufficient water (primarily in patients who either do not experience thirst normally, or cannot act on it). Hypernatraemia occurs less commonly associated with excess salt
CCC Critical Care compendium 340

Abnormal LFTs Post Vascular Surgery

CAUSES pre-existing liver disease (+/- exacerbation) drug induced (paracetamol, statins, amiodarone, antibiotics, NSAIDs, beta-blockers, ranitidine, volatiles) ischaemic (post clamping above hepatic artery, thrombosis, embolic, hypotension) surgical injury nutrition (TPN, EN) acalculous cholecystitis transfusion related hepatitis ASSESSMENT History pre-operative liver function…

CCC Critical Care compendium 340

SIADH

Syndrome Of Inappropriate ADH secretion (SIADH) is hyponatraemia due to an increase in concentration of ADH inappropriate to the current osmotic or volume status. The differential diagnosis includes ADH analogues
CCC Critical Care compendium 340

Hypokalaemia

Hypokalaemia: the most common electrolyte abnormality in hospitalised patients; mostly caused by drugs and GI disease