Results for “potassium”

A 22-year-old woman is brought to the emergency department after 30 minutes of rapid, deep breathing that began during an argument. She reports tingling around…

Physiology · Foundations · middle twist

A 24-year-old man has passed up to twelve watery stools a day for five days after returning from a trek in Nepal. He is thirsty and weak. His pulse is 118/min a…

Physiology · Foundations · middle twist

A 58-year-old man has vomited large volumes each day for nine days, bringing up food eaten the day before. The vomitus contains no bile. He has lost 5 kg, his m…

Physiology · Foundations · middle twist

A 19-day-old boy has vomited after most feeds for the past week. He is 9 per cent below his birth weight, lethargic, with dry mucous membranes and cool peripher…

Physiology · Foundations · middle twist

A 32-year-old woman has passed large volumes of pale urine for four months and drinks about eight litres of water each day, having decided this would improve he…

Physiology · Foundations · middle twist

A 7-year-old boy has passed large volumes of urine and craved salty food since infancy, and he is small for his age. His blood pressure is 92/56 mmHg and he has…

Physiology · Foundations · middle twist

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…

Endocrine and Metabolic · Clinical rotations · middle twist

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…

Cardiovascular · Clinical rotations · common

A 59-year-old woman is admitted after vomiting for two days and taking sotalol for recurrent atrial fibrillation. She has several brief episodes of faintness as…

Cardiovascular · Clinical rotations · common

A 74-year-old man with type 2 diabetes presents with several days of lethargy and increasing confusion. His blood glucose concentration is 42 mmol/L, calculated…

Emergency and Toxicology · Pre-internship · common

A 31-year-old woman with type 1 diabetes is being treated for diabetic ketoacidosis with intravenous insulin and 0.9% sodium chloride. Four hours later, her blo…

Endocrine and Metabolic · Clinical rotations · common

A 24-year-old man with type 1 diabetes presents with vomiting and abdominal pain. His blood glucose concentration is 28 mmol/L, blood ketones are 6.4 mmol/L and…

Endocrine and Metabolic · Clinical rotations · middle twist

A 72-year-old man with diabetic kidney disease takes perindopril and spironolactone. He has a serum potassium concentration of 6.2 mmol/L (3.5–5.2), chloride 11…

Renal, Urology and Electrolytes · Clinical rotations · middle twist

A 68-year-old man with chronic kidney disease is admitted with pneumonia and has received intravenous fluids, calcium gluconate and insulin with glucose for a s…

Renal, Urology and Electrolytes · Clinical rotations · middle twist

A 48-year-old man presents with severe persecutory psychosis and requires medication after verbal de-escalation has failed. He has no history of cardiac disease…

Psychiatry and Mental Health · Clinical rotations · middle twist

A 24-year-old woman at 10 weeks of pregnancy has vomited repeatedly for three weeks and has lost 7 kg. She is alert, with a pulse of 104 beats/minute and blood…

Obstetrics and Gynaecology · Clinical rotations · common

A 29-year-old woman has 6 weeks of amenorrhoea and two days of increasing right iliac fossa pain. Transvaginal ultrasonography shows a 30-mm right tubal gestati…

Obstetrics and Gynaecology · Clinical rotations · middle twist

A patient with profuse watery diarrhoea caused by enterotoxin receives an oral solution containing sodium and glucose. Before treatment, stool output is high an…

Biomedical Science · Foundations · common

A 29-year-old woman has a plasma bicarbonate concentration of 15 mmol/L (reference 22–29 mmol/L) and a normal anion gap. Her urine pH is 6.2 during bicarbonate…

Biomedical Science · Mechanisms of disease · middle twist

A 17-year-old girl is admitted for nutritional rehabilitation. She weighs 39 kg with a height of 168 cm, having lost 15 kg over six months through severe dietar…

Psychiatry and Mental Health · Clinical rotations · common