Chapter 42 Cardiac Glycosides, Antianginals, And Antidysrhythmics Flashcards Preview

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Flashcards in Chapter 42 Cardiac Glycosides, Antianginals, And Antidysrhythmics Deck (57):
0

Resistance to left ventricular ejection.
The work the heart must overcome to fully eject blood from the left ventricle.

After load

1

When compensatory mechanisms fail and the peripheral and lung tissues are congested

CHF

2

Increases myocardial contraction stroke volume

Positive inotropic agent

3

Decreases heart rate

Negative chronotropic action

4

Decreases conduction

Negative dromotropic action

5

Cardiac dysrhythmias with rapid uncoordinated contractions of atrial myocardium

Atrial fibrillation

6

Cardiac dysrhythmia with rapid contractions of 200 to 300 beats per minute

Atrial flutter

7

What is the therapeutic serum level for digoxin between

0.8 to 2.0 ng/ml for digoxin

8

To treat heart failure should the higher or lower serum therapeutic serum levels

Lower

9

To treat atrial fibrillation should low or high therapeutic levels be obtained

Higher

10

Pulse rate below 60

Bradycardia

11

Condition of acute cardiac pain caused by inadequate blood flow to the myocardium due to either plaque occlusions within or spasms of the coronary arteries

Angina pectoris

12

Any deviation from the normal rate or pattern of the heartbeat

Cardiac dysrhythmia

13

Heart rate too fast

Tachycardia

14

Return of cell membrane potential to resting after depolarization

Repolarization

15

Volume of blood in the ventricles at the end of diastole
Immediately before ventricular contraction

Preload

16

Increased rate of formation and excretion of urine

Dieresis

17

Elevated bp

Hypertension

18

Sodium loss in the urine

Natriuresis

19

Something that reduces high bp

Anti hypertensives

20

Amount of blood in ventricle at end of diastole
Preload
Afterload

Preload

21

Peripheral vascular resistance
Preload
Afterload

Afterload

22

Drug group used to treat disturbed heart rhythms

Antidysrhythmics

23

Drug group used to control angina pain by relaxing coronary vessels

Nitrates

24

Lack of blood supply to the heart muscle

Ischemia

25

Causes cardiac muscles to contract more efficiently

Cardiac glycoside

26

Cardiac glycosides are also called

Digitalis

27

CCB that is effective in the long term treatment of angina and has the side effect of Bradycardia

Verapamil

28

Cardiac dysthymias results in

Hypoxia
Hypercapnia

29

Phosphodiesterase inhibitors promote
Positive or negative inotropic action

Positive

30

Example of phosphodiesterase

Milrinone

31

How does quinidine help the heart

Slow how fast impulses travel through the heart

32

What type of drug is propanol

Nonselective beta blocker

33

What are the actions of Antidysrhythmics

Block adrenergic stimulation of the heart
Decrease conduction velocity

34

What is lidocaine primarily used to treat

Ventricular dysrhythmia

35

What priority teaching points should nurse include about verapamil

Eat lots of fiber to avoid constipation
This medication is taken three times a day

36

What is the most potent CCB

Nifedipine

37

CCB What lab values need to be monitored

Liver enzymes

38

ANP AND BNP level indicate
Heart failure
MI

Heart failure

39

Normal values of BNP

Less than 100

40

What abnormal rhythm is digitalis given for

Atrial fibrillation

41

What is usual maintenance dose of digoxin

0.125-0.5

42

Therapeutic digitalis level

0.5 to 2 ng

43

Signs of digitalis toxicity

Nausea
Vomiting
Dizziness
Headache
Bradycardia
Green and yellow halos

44

Antidote for digitalis toxicity

Digoxin immune Fab

45

How often should pulse be taken for patient taking digitalis

Daily before dosing

46

What priority health teaching should be given to a patient taking nitroglycerin

Sips of water may be taken to aid in absorption
Should be stored in cool dark place

47

Duration of action of nitro patch

20-24 hours

48

What is proper dose for acebutolol

200 mg q12h

49

What type of drug is acebutolol

Cardio selective beta blocker

50

What priority teaching should the nurse provide for patient just starting acebutolol

Do not stop abruptly

51

Side effects of acebutolol

Diarrhea
Edema
Impotence
Vomiting

52

Which herbs should you avoid when taking digitalis

Aloe
Ma-huang

53

What conditions can directly lead to cardiac dysrhythmia

Electrolyte imbalance
Excess catecholamines
Hypoxia

54

Angina that occurs with stress or exertion

Classic

55

Angina that occurs with increased frequency and is unpredictable

Unstable

56

Angina that is known as vasospastic or prinzmetals and occurs at rest

Variant