Cardiology Flashcards

1
Q

Coronary artery

A

Major blood vessels that supply blood to the heart muscle to keep it alive.

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2
Q

Myocardial Infarcation

A

Heart muscle is dead or dying

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3
Q

Blood clot

A

Plaque or platelets causing a block on the coronary arteries, preventing blood from coming into the heart muscle

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4
Q

Why you should give aspirin

A

It stop the platelets from sticking together and forming clots that would otherwise block the coronary arteries

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5
Q

Aslirin dosage and intake

A

81 mg baby aspirin
324 mg oral aspirin
Chewable

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6
Q

Dosage of Nitroglycerin

A

0.4 mg under the tongue

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7
Q

Function of nitroglycerin

A
  1. Decreases preload in the chambers
  2. Vasodialates the arteries
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8
Q

Heart blood flow

A
  1. Deoxygenated blood pumped from superior vena cava to right atrium
  2. DB is pumped from right atrium to right ventricle
  3. Right ventricle: Sends deoxygenated blood to the lungs
  4. Lungs oxygenate the blood
  5. Oxygenated blood goes to left atrium through pulmonary veins
  6. Blood goes from left atrium to left ventricle
  7. Left ventricle pumps oxygenated blood to the body via the aorta
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9
Q

Pulmonary edema

A

a condition that occurs when fluid builds up in the lungs, making it difficult to breathe

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10
Q

What is the main cause of pulmonary edema

A

Congestive heart failure (CHF)

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11
Q

What happens in a left-sided heart failure

A

The left ventricle fails to pump adequately causing blood to back up from the left atrium and goes back to the lungs, which may cause pulmonary edema

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12
Q

What is JVD? what is it a sign of?

A

It is the bulging of major veins in your neck, and is a key symptom of heart failure.

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13
Q

What is pedal edema?

A

a condition where fluid builds up in the lower extremities, causing swelling in the feet and ankles

Can result from prolonged standing or sitting in the same position for an extended period, heart failure, chronic lung diseases or pregnancy

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14
Q

What happens in right-sided heart failure?

A

The blood backs up in the right atrium and goes back through the superior vena cava, so that it causes JVD or pedal edema

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15
Q

Signs of CHF

A

edema, JVD, shortness of breath, hypertension, coughing up pink sprothy fluid

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16
Q

Common blood pressure medications

A

Ace inhibitors
Lisinopril (Zestral)
atenolol
metoprolol

Calcium channel blockers
Amlodapine (norvach)

High chloesteroal meds
Lipidor
Atrovasta
Crestor

Any drug that

17
Q

Ace inhibitors

A

class of drugs that are commonly used to treat high blood pressure, heart failure, and other cardiovascular conditions

Common ace inhibitors
Lisinopril (Zestral)

18
Q

Beta blockers

A

Beta blockers lower blood pressure by blocking the effects of adrenaline and noradrenaline in your cardiovascular system

Common beta blockers
Metoprolol (Toprol)
Atenolol (Tenormin)
Carvidolol
Propanolol

Any medication that ends in olol is a beta blocker

19
Q

Calcium channel blockers

A

Lowers blood pressure by stopping calcium from entering the heart and other cells since calcium causes the heart to work harder

Common calcium blockers
Amlodipine (Norvasc).
Isradipine.
Nicardipine.

Most medication that ends with pine are calcium blockers

20
Q

High cholesterol meds

A

Lower cholesterol levels

Common cholesterol meds
Atorvastatin (Lipitor®)
Fluvastatin (Lescol®)
Pitavastatin (Livalo®)

Medications that end with statin are cholesterol meds

21
Q

What are the risk factors of MI

A

Family history of heart problems
Diabetes (number 1 risk factor for having heart problems)
Smoking
Age

22
Q

Pulmonary embolism

A

A blockage of plaque in the arteries that supply blood to the lungs meaning the lungs is dying

Presents with clear lung sounds

23
Q

How does pulmonary embolism present? and what are the risk factors?

A

With clear lung sounds, tachycardic and hypoxic

The risk factors are smoking, birth control, vascular surgery, long periods of stasis or no movement

24
Q

What are the symptoms of MI

A
  1. Chest pain
  2. Radiating pain or discomfort
  3. Cold sweat.
  4. Fatigue.
  5. Heartburn or indigestion.
  6. Lightheadedness or sudden dizziness.
  7. Nausea.
  8. Shortness of breath.