EKGs & ACLS Flashcards

1
Q

What 2 leads should be positive to say the pt has a normal axis?

A

I and AVF

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2
Q

Would the QRS complex be (+) or (-) in lead I in Left Axis Deviation?

A

(+)

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3
Q

Would the QRS complex be (+) or (-) in lead aVF in Left Axis Deviation?

A

(-)

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4
Q

What is the earliest symptom of digoxin toxicity?

A

loss of appetite (followed by nausea and vomiting)

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5
Q

Emergency Tx for a stable pt w/ supraventricular tachycardia (aside from treating the underlying cause)?

A
  1. Vagal maneuvers
  2. Adenosine
  3. beta-blockers or Ca++ channel blockers
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6
Q

What is the appropriate dose of adenosine for stable supraventricular tachycardia?

A

6 mg IV push (w/ saline flush)

double for 2nd dose

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7
Q

emergency Tx for unstable pt w/ narrow-complex tachycardia?

A

synchronized cardioversion

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8
Q

first-line emergency Tx for unstable pt. w/ bradycardia?

A

Atropine

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9
Q

What is the dose of atropine for unstable bradycardia?

A

0.5 mg every 3-5 mins (up to 3 mg)

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10
Q

Tx for unstable bradycardia if atropine does not work?

A
transcutaneous pacing
OR
dopamine
OR
Epi
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