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spsc 3275 midterm > electrophysiology > Flashcards

electrophysiology Flashcards

1
Q

P wave

A

atrial depolarization

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2
Q

QRS complex

A

ventricular depolarization

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3
Q

T wave

A

ventricular repolarization

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4
Q

how do you find age predicted max heart rate?

A

age - 220

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5
Q

how do you find 70-85% of HR max?

A

age - 220 x 0.7 OR 0.85

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6
Q

how do you find resting heart rate?

A

palpate for 15 seconds then x by 4

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7
Q

how do you find exercise heart rate?

A

palpate for 10 seconds then x by 6

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8
Q

Premature atrial contractions (PAC)

A

extra or early beat in the atria

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9
Q

what does PAC look like on an ECG?

A

The extra beat will occur before the p wave (atrial depolarization)

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10
Q

atrial flutter

A

right atrium beats extra fast

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11
Q

what is atrial flutter also known as?

A

supraventricular tachycardia

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12
Q

AFib

A

atria beat chaotically and irregularly, out of sync with ventricles, most common

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13
Q

atrial flutter on ECG

A

The positive deflections that occur before the QRS complex

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14
Q

paroxysmal afib

A

only lasts 7 days

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15
Q

persistent afib

A

lasts longer than 7 days

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16
Q

permanent afib

A

it is permanent

17
Q

Premature ventricular contractions (PVC)

A

a normal heart beat followed by an extra beat, a pause, then a stronger than normal heart beat

18
Q

ablation

A

energy delivered through catheter to small areas of heart where it will disconnect the pathway causing the issue

19
Q

Cardiac ablation

A

procedure that scars tissue in the heart to block abnormal electrical signals, used to restore a normal heart rhythm

20
Q

Implantable cardioverter-defibrillator (ICD)

A

monitors the patient’s heart rhythm and delivers energy to the heart when it detects a fast/abnormal rhythm

21
Q

Cardioversion

A

low energy shock delivered at the same time as the heart beat

22
Q

Defibrillation

A

higher energy shock delivered to heart muscle when heart is beating dangerously fast/irregularly

spsc 3275 midterm (8 decks)

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