A 27 year old man with history of bipolar I disorder woke up at night after hearing the telephone ringing. When he walked to the telephone he felt dizzy and fainted. Brought to the emergency by his wife he was awake and fully conscious. Wife did not notice any abnormal movements, cyanosis, or incontinence to urine or stool. No history of prior similar episodes. His psychiatrist adjusted his medication recently. Physical examination and lab results were all within normal limits.
What could have provoked his fainting episode?
A- Postural hypotension
B- Hypothyroidism
C- Dehydration
D- Atonic seizure
E- Prolonged QT
What could have provoked his fainting episode?
A- Postural hypotension
B- Hypothyroidism
C- Dehydration
D- Atonic seizure
E- Prolonged QT