Psychosocial Disorders 539499.A 55-year-old woman presents to the ED after a reported syncopal
event. Her initial vitals include an HR of 105 beats per minute, an RR of
16 breaths per minute, a BP of 125/60 mm Hg, and an oxygen saturation
of 98% on room air. Her ECG is shown below. Which of the following sub-
stances is responsible for this patient’s ECG findings?
Referred by:Referred by:UncoREABIV1
aVR
aVRI aVRa. Benzodiazepine
b. Alcohol
c. Tricyclic antidepressant
d. Insulin
e. Valproic acid
500.A 28-year-old presents to the ED with depressive symptoms and feelings
of hopelessness. She denies any active suicidal ideation, but has had increasing
feelings of guilt over the last few weeks. The patient denies any past medical
history except for giving birth 8 weeks ago. Her initial vitals are within normal
limits. Given this patient’s presentation, which of the following etiologies is
most likely?
a. Dysthymic disorder
b. Bipolar disorder
c. Postpartum depression
d. Major depressive disorder
e. Cyclothymic disorder
(Reproduced, with permission, from Tintinalli J, Kelen G, and Stapczynski J.Emergency Medicine
A Comprehensive Study Guide. New York, NY: McGraw-Hill, 2004: 1031.)