QuestionSBA
QuestionChoice
Hyperosmolar hyperglycaemic state is a complication of untreated type 2 diabetes. Like DKA, it often presents with polyuria and polydipsia. It does not produce ketones, making it different to diabetic ketoacidosis.
10025174
e
Hyperosmolar hyperglycaemic state (HHS)
QuestionChoice
Thyrotoxicosis occurs when there is excess thyroid hormone action at the level of the tissues. The most common cause of this is Grave's disease. This patient is presenting with lots of the typical symptoms of thyrotoxicosis: weight loss, heat intolerance, tremor, palpitations, irritability and muscle weakness.
10025170
a
Thyrotoxicosis
QuestionChoice
An Addisonian crisis is a severe presentation of Addison's disease when it is left untreated. It can present with symptoms such as dizziness, fainting, abdominal pain, depression and muscle weakness. Patients will often describe a bronze hyperpigmentation to the skin. The key biochemical finding of hyponatremia.
10025172
c
Addisonian crisis
QuestionChoice
Hypothyroidism would present with weight gain, rather than weight loss. It would also cause symptoms like lethargy, anhydrosis, constipation and in some patients menorrhagia.
10025171
b
Hypothyroidism
QuestionChoice
Diabetic ketoacidosis will often present with polyuria and polydipsia preceding unconsciousness. This patient is presenting with lots of the typical symptoms of thyrotoxicosis.
10025173
d
Diabetic ketoacidosis (DKA)
Concept
Chapter
2693
5825
Hyperthyroidism
Topic
161
Emergency Medicine
17432
A 50-year-old female is found collapsed in her home. She is found to have thin hair, and is hot and clammy to touch. Her wife tells you that she has lost some weight in the last month. On examination, you notice brisk reflexes and a heartrate of 144. A thyroid function test shows a low thyroid-stimulating hormone (TSH) and high T4.

Which of the following is the most likely diagnosis?
a