QT prolongation
Clinical approach to Psych QT prolongation Drugs
Opioids
Antidepressants
Antipsychotics
100

Which ion channel is typically affected in cases of prolonged QT intervals?

What is the hERG channel (delayed rectifier potassium channels)

200

 A patient that is utilizing the medication citalopram just received an EKG after the medication has reached steady state. Whens the next time she should receive an EKG?

What is with changes in patient's clinical status (syncope, palpitations)

300

APA guidelines recommend buprenorphine utilization instead of methadone if QT prolongation is above..?

What is 450 ms

400

Rose is a 54 year old female with a past medical history of hypertension, diabetes, and HIV all well controlled with medications who has recently been diagnosed with MDD. What dose of citalopram should she be started on?

What is O mg/day. Citalopram is contrainidicated in this patient with QT prolonging medications such as anti-HIV drugs and potentially diuretics like furosemide due to its QT prolonging effects.

500

Which atypical antipsychotic has the highest risk of QT prolongation?

What is Ziprasidone

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