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A 20-year-old man with respiratory depression is brought
to the emergency department by his parents. Opioid
overdose is suspected, and an initial dose of naloxone is
administered at 10 p.m. The patient does not respond to
this initial dose. The team would expect to administer a
second dose after how many minutes?
2 minutes
4 minutes
6 minutes
8 minutes - correct answer- 2 minutes
The dose of naloxone may be repeated after 2 to 3
minutes.
,A 28-year-old pregnant patient who resides in transitional
housing presents to the emergency department with
complaints of feeling feverish and very faint. The patient
tells the emergency nurse that she does not know when
she became pregnant. Upon palpation, the fundus is not
at or above the umbilicus. The patient's condition quickly
deteriorates and she goes into cardiac arrest. If available
and able to be used without impeding or delaying the
resuscitation effort, what diagnostic tool could be used to
guide decision-making in the care of this patient?
Fetal echocardiogram
Abdominal radiograph
Point-of-care ultrasound
Fetal monitoring - correct answer- Point-of-
care ultrasound
Gestational age is an important consideration when
determining the approach to a pregnant patient in cardiac
arrest. If the gestational age is not known and point-of-
care ultrasound is available and able to be performed
without impeding or delaying the resuscitation effort, it
,can be used to quickly estimate gestational age and guide
decision-making.
A 30-year-old patient has been brought to the emergency
department in cardiac arrest. The cardiac monitor shows
the following rhythm. Interpretation of this rhythm would
suggest which of the following as a possible precipitating
factor?
Hemorrhage
Antibiotic use
Electrocution
Cardiac tamponade - correct answer-
Electrocution
The rhythm is ventricular fibrillation. Precipitating causes
of ventricular fibrillation include electrocution, myocardial
ischemia or infarction, shock, stimulant overdose and
ventricular tachycardia.
, A 35-year-old female patient's ECG is consistent with
STEMI. The ECG reveals a new ST-segment elevation at
the J point in leads V2 and V3 of at least which size?
0.10 mV
0.15 mV
0.2 mV
0.25 mV - correct answer- 0.15 mV
New ST-segment elevation at the J point in leads V2 and
V3 of at least 0.15 mV (1.5 mm) in women 40 years or
younger is considered diagnostic of STEMI.
A 42-year-old woman presents to the emergency
department with complaints of fatigue, shortness of
breath, back pain and nausea. A 12-lead ECG is obtained
and shows ST-segment depression in leads II, III, and aVF
and intermittent runs of nonsustained ventricular
tachycardia. Cardiac serum markers are elevated. These
findings suggest which condition?