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Cardiac > Cardiac > Flashcards

Cardiac Flashcards

1
Q

Hydralazine therapeutic use

A

To decrease Hypertension

Heart failure

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2
Q

What adverse reaction are all vasodilators at risk for?

A

Reflex tachycardia

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3
Q

Mechanism of hydralazine

A

Vasodilation of the arterioles

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4
Q

What does minoxidil do?

A

Dilation of the arterioles

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5
Q

What is the therapeutic effect of minoxidil?

A

To treat excessive hypertension

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6
Q

What is angina?

A

Narrowing of the blood vessel

Causes acute chest pain due to lack of oxygen to the heart muscle

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7
Q

How do we treat the vessel causing angina?

A

Vasodilation of the narrow blood vessel

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8
Q

What are three antianginal agents?

A

Nitroglycerin

Beta blocker- causes vasodilation

Calcium channel blocker

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9
Q

What is it called when you have a heart attack in your sleep and die?

A

Silent ischemia

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10
Q

Cause Of Stable angina

A

Exercise induced

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11
Q

How is unstable angina treated?

A

MONAB

Morphine 
Oxygen 
Nitrate 
Aspirin 
Beta blocker

Used to treat unstable angina

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12
Q

What is the ideology behind treatment of angina?

A

Increase oxygen within the body

Decrease oxygen consumption by decreasing workload of the heart

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13
Q

What is the use of nitroglycerin?

A

Used to treat angina

By acting as a vasodilator of the arterioles

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14
Q

What drug is easy to build a tolerance to?

A

Nitrates

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15
Q

What should you do if you build a tolerance to nitrate?

A

You should have 8 drug free hours a day.

Take in the morning, stop use at night.

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16
Q

How should nitrates be stored?

A

Away from body heat, sunlight and stored in a brown container

17
Q

Describe orthodontic hypotension i postural hypotension

A

When you’re seated or lying down your BP is normal, but then we you stand up it causes the blood to move to the peripheries which causes a decrease in blood flow from your head and your heart.

18
Q

What do calcium channel blockers do for the heart?

A

Hypertension

Angina

Dysthymia

19
Q

Name two calcium channel blockers

A

Diltiazem

Verapamil

20
Q

What is a dysrhythmias?

A

Abnormal heart rate or irregular contraction of the heart

21
Q

How to treat dysrhythmias

A

We want to restore the cardiac rhythm by treating the heart rate and contraction of the heart muscle

22
Q

What two vital signs do you want to check when taking sodium channel blockers?

A

BP and heart rate

Make sure they are not to low because Na blockers cause a decrease in conduction of impulse through the heart. Decreasing contraction of the heart and decrease in heart rate.

23
Q

Hydralazine decreases

A

After load

24
Q

Nitroglycerine decreases

A

Preload

Cardiac (6 decks)

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