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Exam 2 > Antianginals > Flashcards

Antianginals Flashcards

1
Q

When is Angina mostly felt?

A

Mostly during Exercion

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2
Q

What are the atheromas?

A

Fatty tumors in the intima of heart vessels

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3
Q

What is atherosclerosis?

A

Narrowing of the Heart vessels

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4
Q

What does Angina Pectoris Stand For?

A

Suffocation of the heart

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5
Q

What is usually the cause of narrowed blood vessels?

A

Atheromas (blood cells get stuck on thrombus creating bigger thrombus)

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6
Q

What is Stable Angina?

A

No damage to heart muscle, usually felt in the morning

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7
Q

What is Unstable Angina?

A

Episodes of ischemia felt at rest

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8
Q

What is Prinzmetal’s Angina?

A

Caused by spasm of blood vessels, and felt at night which can wake a person with chest pain

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9
Q

What is the action of Antianginal drugs?

A

Dilates blood vessels to increase blood flow to cardiac tissue
Decrease oxygen demand by decreasing cardiac workload

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10
Q

Considerations for Elderly and Children receiving Antianginals.

A

Not typically used in Children aside from Heart defects

Elderly started on lowest dose possible

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11
Q

What is the action of Nitroglycerin (nitrate)

A

Decreases venous return and prevents and treats Angina

Available in slow release to prevent Angina

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12
Q

When is Nitroglycerin contraindicated?

A

Anemia (Dilating vessels is bad=low Hgb)

Pregnancy=Baby could get too much oxygen

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13
Q

Dangerous drug interactions with Nitroglycerin.

A

Ergot with Nitro can cause Hypotensive effects

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14
Q

What is the action of Metroprolol (Beta-Blocker)?

A

Reduce HR
Slow Conduction
Lower BP
Reduce Contractility

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15
Q

What should be assessed before giving Beta-blockers?

A

HR and BP it can cause Bradycardia

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16
Q

How long do beta-blockers last and when do they peak?

A

6-19hrs and peak in 60-90min

17
Q

When conditions require caution when using beta-blockers?

A

Diabetes-can mask hypoglycemia (reacts with insulin)

Should be started in Hospital so patient response can be seen

18
Q

What is the action of Diltiazem (Ca Channel Blockers)?

A

Reduces Cardiac Contractility (slows Ca movement)
Decreases SA node automaticity
Slows HR
Slows AV node conductivity

19
Q

What type of Angina do Ca Channel Blockers treat?

A

Prinzmetal’s, it prevents spasming

20
Q

When is Diltiazem contraindicated?

A

Sick Sinus Syndrome= SA node isn’t functioning properly

Heart Failure=Slow HR and low contractility can cause blood to pool in vessels

21
Q

Dangerous Drug interactions with Ca Channel blockers?

A

Digoxin-can cause digtoxicity

22
Q

What assessments should you be aware of when a patient is on Ca Channel blockers?

A

HR and BP-Ca channel blockers can make HR too slow and BP too low

Exam 2 (13 decks)

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