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WorksheetsTachyarrhythmias
Total questions: 10
Worksheet time: 20mins
Which of the following is NOT a part of the baroreceptor control system?
Carotid Sinus Nerve
Sympathetic chain
Vagal Motor Nucleus
Nucleus Ambiguous
Glossopharyngeal nerve
The recommended intravenous dose of Adenosine is
6 mg rapid IV bolus
0.1 to 0.5 mg/kg rapid IV bolus
Second dose is 12 mg rapid IV bolus, if only required
All of the above
Electrical conversion is performed using these techniques EXCEPT:
Ensure adequate depth/ sedation/ analgesia
Check for sync spikes on P-waves
Start with adult dose of 50 Joules
Start with 1 Joules per kg
Remember to hold shock button until sync shock delivered
You are asked to review a 2- year old child in recovery room, who is agitated and distressed after an elective myringotomy. ECG shows a regular narrow complex tachycardia at a rate of 300. You are told that the child is hemodynamically stable. You will give
Amiodarone
Esmolol
Benzodiazepine
Adenosine
Drug of choice for Torsade de Pointes
Magnesium
Procainamide
Sotalol
Adenosine
Dr. Soliven has a heart rate of more than 100bpm, QRS complex more than .12 seconds and R-R intervals are regular. No altered mental status, chest pain, hypotension or dyspnea. You will give
Adenosine
Labetalol
Amiodarone
Cardioversion
Atrial flutter
R waves have a “sawtooth” pattern
Atrial rate is normally between 250 - 350 and irregular
QRS measures less than .12 seconds
All of the above
A 79 year old individual is in SVT. BP is 80/50, and he is complaining of chest discomfort and feels like passing out. What is the next step?
Carotid massage
Synchronized cardioversion
Amiodarone
Lidocaine
mechanism of action of adenosine
Slows conduction time through A-V node
Can interrupt the reentry pathways through the A-V node
Can restore normal sinus rhythm in patients with paroxysmal supraventricular tachycardia
Blocks potassium during phase 3 of cardiac action potential
Indications to defibrillate the patient
