7/23/2019 Statements About the Use of Magnesium in Cardiac Arrest is Most Accurate

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statements about the use of magnesium in cardiac arrest is most accurate?Magnesium is indicated for shock-refractory monomorphic VT.Magnesium is indicated for VF/pulseless VT associated with torsades de pointes.

Magnesium is contraindicated for VT associated with a normal QT interal.Magnesium is indicated for VF refractory to shock and amiodarone or lidocaine.

22: ! patient with "T-segment eleation M# has ongoing chest discomfort.Fibrinolytic therapy has been ordered. $eparin %&&& units #V bolus wasadministered' and a heparin infusion of (&&& units per hour is being administered.!spirin was not taken by the patient because he had a history of gastritis treated )years ago. *our ne+t action is to,ie aspirin (& to 0) mg chewed immediately.ie 1) mg enteric-coated aspirin orally.ie 0) mg enteric-coated aspirin rectally."ubstitute clopidogrel && mg loading dose.

23: ! patient has sinus bradycardia with a heart rate of /min. !tropine has beenadministered to a total of mg. ! transcutaneous pacemaker has failed to capture.

The patient is confused' and her blood pressure is ((&/& mm $g. 2hich of thefollowing is now indicated?!. ie additional ( mg atropine. 3. "tart dopamine (& to 0&mcg/kg per minute.

4. ie normal saline bolus 0)& m5 to )&& m5. D. "tart epinephrine 0to (& mcg/min.

24: ! 0-year-old man suddenly e+perienced di6culty speaking and left-sideweakness. $e was brought to the emergency department. $e meets initial criteriafor 7brinolytic therapy' and a 4T scan of the brain is ordered. 2hat are theguidelines for antiplatelet and 7brinolytic therapy89o not gie aspirin for at least 0% hours if rt:! is administered