Tachyarrhythmias
What is a the definition of tachycardia
>100 BPM
What is the definition of bradycardia
<60 BMP
What are shockable rhythms?
Vtach/Vfib
What's the dose of ASA to give when suspecting ACS?
325 mg
Should you give ASA prior to obtaining a head CT and why?
No, need to r/o hemorrhage
In a-fib so long as blood pressure can tolerate how many doses (and max dose) of metoprolol can you give over what time period?
3 doses (15 mg max) over 15 minutes
When is atropine indicated?
Hypotensive, hypoxic, AMS
When should CPR begin after cardiac arrest has been identified?
Immediately
How many millimeters of ST elevation is considered a STEMI?
>/= 1 mm
After arriving to a stroke alert and seeing the most recent vitals and pt's general appearance, what is the first thing you want to assess on your exam?
Airway and breathing
What length of QRS complex indicates a wide complex tachycardia?
>120 ms
What is the definition of third degree AV block?
Complete dissociation between atrial and ventricular electrical activity from inability to communicate through the AV node
After how many rounds of CPR can you consider giving amiodarone and what is the dose?
3 rounds of CPR, 1st dose: 300 mg, 2nd dose: 150 mg
What's the maximum amount of acceptable time to get a patient to the cath lab and balloon inflated from symptom onset?
120 minutes
How long after symptoms onset is TPa no longer indicated in suspected stroke
4 hours
List 3 examples of a vagal maneuver
Carotid massage, bear down, breath through a syringe, ice to face, handgrip
Bonus: What is a contraindication for carotid massage
List three causes of AV block
Scar tissue (MI), electrolyte abnormalities, hypoxia, drugs/toxins (BB, CaB, digoxin)
List at least 10 reversible causes of cardiac arrest
Hypothermia, hypoxia, hypovolemia, hydrogen ions, hyper/hypokalemia, hypoglycemia
Toxins, tension ptx, tamponade, thrombosis (MI), thrombosis (PE), Trauma
List 3 absolute contraindications to TPa
For how long should you allow for permissive HTN in acute ischemic stroke and how high is too high?
24-48h, Max 210/120
What is the loading dose for amiodarone and can amio cause hypotension?
150 mg for tachyarrhythmia. Yes it can
What is the dose for dobutamine infusion in symptomatic bradycardia resistant to atropine?
5-20 mcg/kg/min
What is the dose of lidocaine IV/IO to give in v-fib w/o a pulse?
1st: 1-1.5 mg/kg, 2nd: 0.5-0.75 mg/kg
When should you not give nitroglycerin to a patient with a STEMI, what leads will there be ST elevations?
Bonus: what leads may have reciprocal ST depressions most likely?
Inferior pattern and low-normal BP or hypotensive. II/III/AvF
Reciprocal leads: I, AvL
How often should NIHSS be performed in a patient w/ an acute ischemic stroke and what should you do if is rising significantly?
Q12h. Can do more frequently if pt more altered on nuerochecks (q4h). Call neurologist. Pros/cons of heparin infusion