QuestionSBA
QuestionChoice
This is a useful investigation to track heart rate and activity, however, polysomnography is more useful to diagnose obstructive sleep apnoea as it measures heart rate, oxygen levels and breathing.
10000154
d
ECG
QuestionChoice
This is not the gold standard and would not be necessary to determine whether the patient has obstructive sleep apnoea at this time.
10000153
c
CT
QuestionChoice
This would not be necessary at this time to determine whether the patient has obstructive sleep apnoea.
10000152
b
MRI
QuestionChoice
This is the gold-standard investigation for obstructive sleep apnoea, measuring physiological parameters while the patient sleeps. This patient has risk factors of being overweight, male and has a smoking history.
10000151
a
Polysomnography
QuestionChoice
This imaging technique would not be necessary at this time to determine if the patient has obstructive sleep apnoea.
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e
X-ray
Concept
Chapter
2693
3718
Obstructive Sleep Apnoea
Topic
132
Respiratory
12577
A 65-year-old man presents to his GP as he is finding it difficult to sleep well and is struggling to concentrate at work. He has a BMI of 40 and a 50-pack-year history.

Which of the following is the gold-standard diagnostic investigation for the most likely diagnosis?
a