Try it
Psychiatry · Mood disorders: tricyclic choice in elderly
Sample itemA frail 72-year-old with depression has marked postural hypotension and a history of falls. A tricyclic is considered because other drugs failed. Which tricyclic is relatively preferred in this setting?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Nortriptyline
Nortriptyline, a secondary amine, causes less postural hypotension and fewer anticholinergic effects than tertiary amine tricyclics such as amitriptyline and imipramine, so it is the usual tricyclic in older patients. Plasma level monitoring is possible.
Option by option
A. Clomipramine
Clomipramine has strong anticholinergic and serotonergic effects and lowers the seizure threshold.
B. Nortriptyline (correct)
Correct. Secondary amines like nortriptyline have milder hypotensive and anticholinergic effects.
C. Amitriptyline
Amitriptyline is strongly sedating, anticholinergic and hypotensive, so it is a poor choice in the elderly.
D. Imipramine
Imipramine is a tertiary amine with notable orthostatic hypotension.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
More Psychiatry questions
- PsychopharmacologyLithium use during the first trimester of pregnancy is associated with which congenital…
- Psychotic disordersWhich of the following is a Schneiderian first-rank symptom of schizophrenia?
- Organic psychiatryAn elderly patient on a surgical ward develops acute confusion that fluctuates through t…
- Eating disordersA 17-year-old girl has a BMI of 15, amenorrhoea, lanugo hair, bradycardia and an intense…