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Which of the following statements about the use of magnesium in cardiac arrest
is most accurate? - ✅✅Magnesium is indicated for VF/pulseless VT associated
with torsades de pointes.
A patient with ST-segment elevation MI has ongoing chest discomfort. Fibrinolytic
therapy has
been ordered. Heparin 4000 units IV bolus was administered, and a heparin
infusion of 1000 units per hour is
being administered. Aspirin was not taken by the patient because he had a history
of gastritis treated 5 years
ago. Your next action is to: - ✅✅Give aspirin 160 to 325 mg chewed
immediately.
A patient has sinus bradycardia with a heart rate of 36/min. Atropine has been
administered to a
total of 3 mg. A transcutaneous pacemaker has failed to capture. The patient is
confused, and her blood pressure
is 110/60 mm Hg. Which of the following is now indicated? - ✅✅Start
epinephrine 2 to 10 mcg/min.
A 62-year-old man suddenly experienced difficulty speaking and left-side
weakness. He was
brought to the emergency department. He meets initial criteria for fibrinolytic
therapy, and a CT scan of the
, brain is ordered. What are the guidelines for antiplatelet and fibrinolytic therapy -
✅✅Do not give aspirin for at least 24 hours if rtPA is administered
A patient with possible ST-segment elevation MI has ongoing chest discomfort.
Which of the
following would be a contraindication to the administration of nitrates? -
✅✅Use of a phosphodiesterase inhibitor within 12 hours
A patient is in cardiac arrest. Ventricular fibrillation has been refractory to a
second shock. Of the
following, which drug and dose should be administered first by the IV/IO route? -
✅✅Epinephrine 1 mg
: A 35-year-old woman has palpitations, light-headedness, and a stable
tachycardia. The monitor
shows a regular narrow-complex QRS at a rate of 180/min. Vagal maneuvers have
not been effective in
terminating the rhythm. An IV has been established. What drug should be
administered IV? - ✅✅Adenosine 6 mg
A patient with sinus bradycardia and heart rate of 42/min has diaphoresis and a
blood pressure of
80/60 mm Hg. What is the initial dose of atropine? - ✅✅0.5 mg
A patient is in refractory ventricular fibrillation and has received multiple
appropriate