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3˚ AV block
p and qrs completely separate - ✔✔Identify the rhythm.
Pulseless electrical activity (PEA) - ✔✔Identify the rhythm.
Coarse ventricular fibrillation - ✔✔Identify the rhythm.
Reentry supraventricualr tachycardia (SVT) - ✔✔Identify the rhythm.
Sinus bradycardia - ✔✔Identify the rhythm.
Polymorphic ventricular tachycardia - ✔✔Identify the rhythm.
3˚ AV block - ✔✔Identify the rhythm.
Reentry Supraventricular tachycardia (SVT) - ✔✔Identify the rhythm.
2˚ AV block (Mobitz type II)
no p-r prolonged, random drops - ✔✔Identify the rhythm.
Sinus bradycardia - ✔✔Identify the rhythm.
Atrial flutter - ✔✔Identify the rhythm.
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,Reentry supraventricular tachycardia (SVT) - ✔✔Identify the rhythm.
2˚ AV block
(Mobitz type I Wenckebach) - ✔✔Identify the rhythm.
Normal sinus rhythm - ✔✔Identify the rhythm.
Sinus tachycardia - ✔✔Identify the rhythm.
Atrial fibrillation
irreg, irreg - ✔✔Identify the rhythm.
Sinus tachycardia - ✔✔Identify the rhythm.
Fine ventricular fibrillation - ✔✔Identify the rhythm.
2˚ AV block
(Mobitz type I Wenchkebach) - ✔✔Identify the rhythm.
Agonal rhythm/asystole - ✔✔Identify the rhythm.
Coarse ventricular fibrillation - ✔✔Identify the rhythm.
Monomorphic Ventricular tachycardia - ✔✔Identify the rhythm.
2. Magnesium is indicated for VF/pulseless VT associated with torsades de
pointes. - ✔✔Which of the following statements about the use of magnesium in
cardiac arrest is most accurate?
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, 1. Magnesium is indicated for shock-refractory monomorphic VT.
2. Magnesium is indicated for VF/pulseless VT associated with torsades de
pointes.
3. Magnesium is contraindicated for VT associated with a normal QT interval.
4. Magnesium is indicated for VF refractory to shock and amiodarone or
lidocaine.
1. Give aspirin 160 to 325 mg chewed immediately. - ✔✔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:
1. Give aspirin 160 to 325 mg chewed immediately.
2. Give 75 mg enteric-coated aspirin orally.
3.Give 325 mg enteric-coated aspirin rectally.
4. Substitute clopidogrel 300 mg loading dose.
4. Start epinephrine 2 to 10 mcg/min. - ✔✔A patient has sinus bradycardia with
a heart rate of 36/min. Atropine has been administered to a total of 3 mg. A
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