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Vet Tech Prep > EKG > Flashcards

EKG Flashcards

1
Q

What is depolarization?

A

Contraction of the myocardium

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2
Q

What is repolarization?

A

Relaxation of the cells

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3
Q

What is the SA node?

A

point of origin of electrical activity

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4
Q

What is the p wave?

A

depolarization of right and left atrium

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5
Q

What is the PR interval?

A

Beginning of atrial depolarization into ventricular depolarization

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6
Q

What is the QRS complex?

A

Depolarization of the ventricles

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7
Q

What is the T wave?

A

Beginning of ventricular repolarization

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8
Q

What repolarization do you not see on the EKG?

A

Atrial

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9
Q

What is sinus rhythm?

A

Normal cardiac rhythm

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10
Q

What is sinus arryhthmia?

A

Race increase with respiration and decrease with expiration

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11
Q

What is sinus bradycardia?

A

Decreased ventricular rate

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12
Q

What is sinus tachycardia?

A

Increased ventricular rate

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13
Q

What is atrial flutter?

A

ventricular rate differs from atrial rate

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14
Q

What atrial fibrillation?

A

No P waves present

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15
Q

What is PVC?

A

Premature ventricular contraction

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16
Q

How do you identify PVC?

A

No P wave and wide QRS complex

17
Q

How do you identify Atrial Premature contraction

A

PR interval varies

18
Q

How do you identify Ventricular Tachycardia?

A

4 or more PVCs in a row

19
Q

What is ventricular fibrillation?

A

Mechanical pumping of the heart not evident

20
Q

How do you identify v fib?

A

No recognizable p wave of QRS complex

21
Q

What will happen with v fib?

A

Heart will arrest

22
Q

What is a first degree av block?

A

Minor heart block

23
Q

How do you identify a first degree av block

A

PR interval is long

24
Q

What is a second degree av block?

A

Dropped heart beats

25
Q

What is a third degree av block?

A

Complete heart block. Atria and ventricles beat independently

26
Q

What is a systole?

A

Cardiac arrest

27
Q
A
28
Q

No P Waves Present

A

A fib

29
Q

No P Wave and Wide QRS complex

A

PVC

30
Q

PR Interval Varies

A

Premature Atrial contractions

31
Q

4 or more pvcs in a row

A

Ventricular tachycardia

32
Q

No recognizable p wave or qrs complex

A

V fib

33
Q

PR interval long

A

1st degree heart block

34
Q

Dropped heart beats

A

2nd degree av block

35
Q

Path through heart

A

Body
Vena Cava
Right side of heart
Pulmonary Arteries
Lungs
Left side of heart
Aorta
Body

Vet Tech Prep (30 decks)

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