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BCIT > ECGs > Flashcards

ECGs Flashcards

1
Q

Internodal pathway (tracts) names (3)

A

Anterior, middle, posterior

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2
Q

What is the flow of vector (positive to negative or negative to positive?

A

From negative to positive

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3
Q

Normal P wave duration

A

0.06-0.12 seconds

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4
Q

PR interval length

A

0.12-0.2 seconds

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5
Q

QRS duration

A

0.06-0.1 seconds

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6
Q

QT interval represents

A

Total ventricle activity (depolarization and repolarization)

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7
Q

How to calculate HR based on RR interval (small square method)

A

Count RR interval small squares (the 0.04 ones) then divide 1500 by that. That’s HR

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8
Q

Sinus arrest gap in atrial depolarization (how many seconds quantifies this)

A

Greater than 3 seconds

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9
Q

Sinus pause gap between atrial depolarization (how many seconds quantifies this)

A

Less than 3 seconds

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10
Q

Controlled vs uncontrolled afib

A

Rate over 100 is uncontrolled and under 100 is controlled

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11
Q

Types of pacemakers (3)

A

Transvenous
Transcutaneous
Epicardial

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12
Q

Singe vs dual chamber pacing

A

Number of chambers being paced (just Atria or just ventricles vs both)

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13
Q

When to pace epicardial?

A

Post operative cardiac surgery pts

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14
Q

When to pace transvenous

A

CCU patients

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15
Q

When to pace transcutaneous

A

Emergency situations (need pacing now)

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16
Q

Pacemaker code first letter represents

A

Chamber (s) that are paced, A/V/D

17
Q

Pacemaker code second letter represents

A

What chambers pacemaker senses intrinsic heart electrical activity
A/V/D

18
Q

Pacemaker code third letter represents

A

Measures pacemakers response to what it senses (like what it will do based on what it senses)
Triggered, inhibited, dual - T/I/D

19
Q

Failure to pace meaning

A

No pacer spike or attempt to generate any elec impulse

20
Q

Failure to capture meaning

A

Elec impulse and pacer spike generated, but no depolarization of myocardium following

21
Q

Inappropriate sensing meaning pacing

A

Over or under sensing, causing more or less elec needed for result

BCIT (1 decks)

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