Intro to Cardiology

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12 Terms

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2 types of cardiac cells

myocardial, pacemaker

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myocardial cells

contractible

Profession: interventionists(plumbers)

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pacemaker cells

electrical

Profession: EP providers

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pathway of action

Pacemaker pathway

SA Node(start heart beat), AV node, Bundle of His / AV bundle, R/L bundle branches, purkinje fibers 

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Inherent rates of conduction

Slower going down the pathway:

SA NODE - 60-100/min

AV NODE / BUNDLE OF HIS - 40-60/min

PURKINJE FIBERS - 30-40/min

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What to assess to monitor heart

Heart Rate, Blood Pressure, Oxygen Saturation, pulses, dizzy/lightheaded?, symptomatic?

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Pacing machines in emergency

transcutaneous, transvenous(endocardial), epicardial

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pacemaker spike

Spike right before P wave

<p>Spike right before P wave</p>
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treating Atrial flutter/fibrillation

2D TTE

TEE

Synchronized cardio version

EP study

GOAL: control rate, restore to NSR, prevent blood clot

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2D TEE

harder to see heart but quicker

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TEE

easier to see heart but longer prep

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Asystole treatment

flat line