Principles of Surgery and Perioperative Management

Fluid therapy and electrolyte imbalances

11 questions · 6 of 9 topics have questions

Practise all 11

Press Practise on any row to start on it, or tick several and practise them together.

A 74-year-old woman is on day 4 after an open right hemicolectomy. Sodium chloride 0.9% 1 L eight-hourly, charted in the emergency department before her operati…

Pre-internship · common

A 71-year-old man is on day 2 after a Hartmann procedure for perforated diverticulitis. He remains nil by mouth and his nasogastric tube has drained 1400 mL in…

Pre-internship · niche

A 58-year-old man was admitted 36 hours ago with severe acute pancreatitis and has been given 7 litres of sodium chloride 0.9%. He is alert and normotensive, is…

Clinical rotations · middle twist

A 58-year-old man is receiving intravenous vancomycin for a prosthetic joint infection through a 20 gauge cannula in the dorsum of the left hand. Six hours into…

Clinical rotations · middle twist

A 78-year-old woman is admitted overnight for observation after a mechanical fall. She is eating and drinking, takes only oral medications, and no intravenous t…

Pre-internship · common

A 24-year-old woman with type 1 diabetes presents with abdominal pain, vomiting and deep breathing. Her blood glucose concentration is 24 mmol/L, venous pH is 7…

Clinical rotations · middle twist

A 72-year-old woman with newly diagnosed multiple myeloma presents with confusion, constipation and weakness. Her serum calcium is 4.18 mmol/L (2.10–2.60), crea…

Clinical rotations · middle twist

A 24-year-old woman is brought to the emergency department after drinking approximately 8 L of water during a long-distance event. She is drowsy and has a serum…

Clinical rotations · common

A 68-year-old man with chronic kidney disease presents with weakness after spironolactone was added to his medicines. His serum potassium is 7.0 mmol/L (3.5–5.2…

Clinical rotations · common

A registered nurse is preparing to administer flucloxacillin 1 g in 100 mL of sodium chloride 0.9% intravenously over 30 minutes. No infusion pump is available,…

Clinical rotations · common

Which electrolyte imbalance is most commonly associated with acute pancreatitis?

Pre-internship · common