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AAP > AAPLAB EXAM 3 > Flashcards

AAPLAB EXAM 3 Flashcards

1
Q

P wave

A

depolarization of SA node

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2
Q

QRS complex

A

Ventricular depolarization

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3
Q

Atrial repolarization happens when?

A

during QRS complex

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4
Q

T wave

A

ventricular repolarization

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5
Q

P-R interval

A

AV node delay
takes .12 - .20 seconds

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6
Q

what is happening during T– P wave?

A

nothing, the heart is relaxed, in diastole

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7
Q

how much is each square on a EKG?

A

.2 seconds

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8
Q

how to calculate heart rate?

A

60 seconds / beats per sec

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9
Q

Tachycardia

A

faster than normal heart rate(HR)

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10
Q

Bradycardia

A

slower than normal heart rate(HR)

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11
Q

Elongated P–R interval = ?

A

Heart Block, longer than .2 seconds

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12
Q

how is BP expressed

A

mm Hg (millimeters of mercury)

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13
Q

Systole

A

contraction of heart

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14
Q

Diastole

A

relaxation of heart

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15
Q

Where is Systemic BP taken

A

Brachial Artery

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16
Q

Pulse Pressure (PR)

A

difference between systole/diastole

17
Q

Mean Arterial Pressure (MAP)

A

systole + diastole + diastole / 3

18
Q

Obstructive disease

A

can breathe in but hard to exhale
have above normal readings

19
Q

Restrictive disease

A

difficulty with breathing in
lung scarring causing lungs to not be able to stretch
below normal readings

20
Q

AVR

A

Alveolar ventilation rate = TV x RV
(normal air exchange) X ( air left in lungs)

21
Q

TV

A

Tidal Volume = air that moves in/out with each breathe

22
Q

Lung volume

A

individual measurement

23
Q

IRV

A

Inspiratory reserve volume = Amount of air you can breathe in beyond TV

24
Q

ERV

A

Expiratory reserve volume = Additional air you breathe out after TV

25
Q

RV

A

Residual volume = air left in lungs after full exhalation

26
Q

FRC

A

Functional residual capacity (amount of air in lungs after breathing out) = RV + ERV

27
Q

VC

A

Vital capacity (total amount of exchangeable air)= IRV + TV + ERV

28
Q

TLC

A

Total lung capacity (sum of all lung volume) = VC + RV

29
Q

increase in TLC, FRC, RV =

A

obstructive disease

30
Q

reduction in VC, TLC, FRC, RV =

A

restrictive disease

AAP (10 decks)

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