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EKG > EKG (quiz 1) > Flashcards

EKG (quiz 1) Flashcards

1
Q

EKG/ECG stands for

A

electrocardiograms

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2
Q

what does an EKG do

A

take picture of a patient’s heart

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3
Q

large box represents

A

0.2 seconds

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4
Q

one small box represents

A

0.04 seconds

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5
Q

amplitude

A

the height which equals 1mm per small box

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6
Q

wave forms

A

P wave, QRS complex, T wave

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7
Q

P wave

A

atrial depolarization

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8
Q

QRS complex

A

ventricular depolarization

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9
Q

T wave

A

ventricular repolarization

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10
Q

J point

A

point to mark end of QRS and beginning of St segment

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11
Q

PR interval

A

atrial and nodal activity

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12
Q

PR interval includes

A

atrial depolarization and delay in the AV node (PR segment)

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13
Q

QRS complex

A

corresponds to the patient’s palpated pulse and is large in size due to reflection of ventricular activity

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14
Q

sinus rhythms originate in

A

the SA node

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15
Q

NSR

A

normal sinus rhythm (normal heart beat)

  • 60-100 bpm
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16
Q

SB

A

sinus bradycardia (regular slow heart beat)

  • <60 bpm
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17
Q

ST

A

sinus tachycardia (regular fast heart beat)

> 100 bpm

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18
Q

inherent rate of

A

60-100

19
Q

P wave of a sinus rhythm

A

before each QRS, identical

20
Q

PR interval of a sinus rhythm

A

.12 to .20

21
Q

QRS of a sinus rhythm

A

<.12

22
Q

atrial rhythms originate

A

in the atria

23
Q

atrial fibrillation

A

a-fib

24
Q

A- fib heart rate

A

A: 350-650 bpm

V:slow to rapid

25
Q

a-fib rhythm

A

irregular

26
Q

a-fib P Wave

A

fibrillatory (fine to course)

27
Q

A-fib does not have a

A

PR interval

28
Q

a-fib QRS

A

<.12

29
Q

A-flutter heart rate

A

A: 220-430 bpm

V: <300 bpm

30
Q

a-flutter rhythm

A

irregular

31
Q

a-flutter QRS

A

<.12

32
Q

wandering pacemaker is

A

irregular

33
Q

wandering pacemaker can represent a

A

blood clot

34
Q

heart rate of a wondering pacemaker

A

usually <60 bpm

35
Q

P wave and QRS for a wandering pacemaker

A

variable and <.12

36
Q

multifocal atrial tachycardia (MAT) is also known as

A

rapid wandering pacemaker

37
Q

MAT rate is usually

A

> 100

38
Q

MAT is usually due to a

A

pulmonary disease

39
Q

MAT is usually referred to as

A

SVT

40
Q

MAT QRS

A

very narrow

41
Q

Wolff-Parkinson white is caused by

A

an abnormal accessory pathway in the conductive tissue

42
Q

WPW is mainly

A

non-symptomatic with normal HR

43
Q

(WPW) if rate becomes tachycardic it can be

A

lethal

EKG (5 decks)

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