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Results for “potassium

66 questions found

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

A 38-year-old man is reviewed because his blood pressure remains elevated despite perindopril 10 mg and amlodipine 10 mg daily. He feels well, sleeps soundly wi…

Cardiovascular · Clinical rotations · common

A 52-year-old man has a blood pressure of 162/98 mmHg despite adequate doses of perindopril, amlodipine and hydrochlorothiazide, with good adherence confirmed.…

Endocrine and Metabolic · Clinical rotations · middle twist

A 62-year-old woman who takes sertraline for depression is brought to the emergency department after a witnessed generalised tonic-clonic seizure at home. She i…

Renal, Urology and Electrolytes · Clinical rotations · common

A 76-year-old woman taking perindopril for hypertension and regular ibuprofen for knee osteoarthritis presents after three days of vomiting and watery diarrhoea…

Renal, Urology and Electrolytes · Clinical rotations · common

A 47-year-old man with chronic kidney disease presents with palpitations and proximal muscle weakness. Serum potassium is 6.8 mmol/L, the sample is non-haemolys…

Cardiovascular · Clinical rotations · middle twist

A 70-year-old man with diabetic kidney disease takes ramipril and spironolactone. Routine testing shows potassium 6.4 mmol/L, confirmed on a non-haemolysed samp…

Renal, Urology and Electrolytes · Clinical rotations · middle twist