EKGs & ACLS Flashcards
What 2 leads should be positive to say the pt has a normal axis?
I and AVF
Would the QRS complex be (+) or (-) in lead I in Left Axis Deviation?
(+)
Would the QRS complex be (+) or (-) in lead aVF in Left Axis Deviation?
(-)
What is the earliest symptom of digoxin toxicity?
loss of appetite (followed by nausea and vomiting)
Emergency Tx for a stable pt w/ supraventricular tachycardia (aside from treating the underlying cause)?
- Vagal maneuvers
- Adenosine
- beta-blockers or Ca++ channel blockers
What is the appropriate dose of adenosine for stable supraventricular tachycardia?
6 mg IV push (w/ saline flush)
double for 2nd dose
emergency Tx for unstable pt w/ narrow-complex tachycardia?
synchronized cardioversion
first-line emergency Tx for unstable pt. w/ bradycardia?
Atropine
What is the dose of atropine for unstable bradycardia?
0.5 mg every 3-5 mins (up to 3 mg)
Tx for unstable bradycardia if atropine does not work?
transcutaneous pacing OR dopamine OR Epi