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DeFIB This EMT Academy Summer '22 - A Hybrid > Chapter 17 - Cardiovascular Emergencies > Flashcards

Chapter 17 - Cardiovascular Emergencies Flashcards

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NREMT® EMT flashcards
1
Q

Atria

A

Upper chambers of the heart

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2
Q

Coronary arteries

A

Blood vessels that supply blood to the myocardium

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3
Q

Atrioventricular node

A

Electrical impulses slow here to allow blood to move from the atria to the ventricles

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4
Q

Myocardium

A

Heart muscle

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5
Q

Sinus node

A

Electrical impulses begin here

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6
Q

Venae cavae

A

Carry oxygen-poor blood back to the heart

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7
Q

Ventricles

A

Lower chambers of the heart

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8
Q

Aorta

A

The body’s main artery

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9
Q

Atherosclerosis

A

Calcium and cholesterol buildup inside the blood vessels

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10
Q

Dysrhythmia

A

An abnormal heart rhythm

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11
Q

Ischemia

A

Decreased blood flow and poor oxygenation

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12
Q

Infarction

A

The death of tissue

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13
Q

Tachycardia

A

A rapid heart rhythm greater than 100 bpm

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14
Q

Asystole

A

An absence of a heart electrical activity

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15
Q

Thromboembolism

A

A blood clot floating through blood vessels until it reaches a narrow area and blocks blood flow

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16
Q

Acute myocardial infarction

A

the complete blockage of a coronary artery

17
Q

Cardiac Arrest

A

a lack of cardiac pumping activity

18
Q

Angina pectoris

A

exertional chest pain relieved by nitroglycerin

19
Q

Cardiogenic shock

A

the heart lacks power to effectively pump blood to the body resulting in low blood pressure

20
Q

Congestive Heart Failure

A

a condition where the heart cannot effectively pump blood leading to fluid backing up into the lungs and edema

21
Q

Hypertensive emergency

A

systolic BP >180 mmHg

22
Q

Dissecting aneurysm

A

the sudden tearing and separation of the inner layers of the aorta with the potential for great blood loss

23
Q 
\_\_\_\_\_ allows a cardiac muscle cell to contract spontaneously without stimulus from a nerve source
A. Repetition
B. Reactivity
C. Automaticity
D. Autonomy
A

C. Automaticity

24
Q 
The aorta receives its blood supply from the:
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
A

D. Left ventricle

25
Q 
Blood enters the right atrium from the body through the:
A. vena cava
B. aorta
C. pulmonary artery
D. pulmonary vein
A

A. vena cava

26
Q 
The only vein(s) in the body that carry oxygenated blood is/are the:
A. external jugular veins
B. pulmonary veins
C. subclavian veins
D. inferior vena cava
A

B. pulmonary veins

27
Q 
Normal electrical impulses originate in the sinus node, in the upper part of the right:
A. atrium
B. ventricle
C. superior vena cava
D. aortic arch
A

A. atrium

28
Q 
Dilation of the coronary arteries \_\_\_\_\_ blood flow
A. shuts off
B. increases
C. decreases
D. regulates
A

B. increases

DeFIB This EMT Academy Summer '22 - A Hybrid (25 decks)

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