Cardio (New) Flashcards
What is used to stimulate the vagus nerve? What does this do to the heart?
- Vagal maneuvers and Adenosine
- Slows heart
What is the QRS in bundle branch blocks?
Wide, > 0.12 seconds
What meds are negative ionotropes?
BB, CCB
How do you reverse a TCA overdose?
Sodium bicarb
What BBB presents with a negative QS in V1?
LBBB
What meds are negative chronotropes?
- BB, CCB, Digoxin
- “funnel drugs” → slows heart at AV node.
What BBB presents with wide S wave in leads I and V6?
RBBB
What blocks the vagus nerve? What does this do to the heart?
- Atropine
- Speeds heart
What BBB presents with predominantly positive QRS in V1?
RBBB
If on the PANCE you see “S3”, what 2 diagnosis could this be?
Dilated Cardiomyopathy or CHF
What meds are positive chronotropes?
-Atropine, Dopamine, Epi (think fat-soluble vitamins → A, D, E but drop K)
What BBB presents with a LARGE, wide, pointed up R-wave in lead I?
LBBB
What meds are positive ionotropes? What do they do to the heart?
- Digoxin, Dopamine (think double Ds)
- Heart squeezes more
What disorders present with JVD?
- Dilated CM
- CHF (right-sided HF stuff)
- Tamponade
- Inferior STEMI
What BBB presents with a deep S wave in V1 and V2?
LBBB