17 Flashcards

(40 cards)

1
Q

Atrium

A

Upper chamber

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2
Q

Ventricle

A

Lower chamber

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3
Q

Aorta

A

Receives blood from left venteicle

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4
Q

Autonomic Nervous System (ANS)

A

Controls involuntary activities
-heart rate, blood pressure, digestion of food

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5
Q

Sympathetic Nervous System

A

Controls active function to fear
-fight or flight

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6
Q

Parasympathetic Nervous System

A

Relaxation and recovery
- rest and digest

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7
Q

Coronary Arteries

A

Blood vessels that supply blood to myocardium

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8
Q

Aortic Valve

A

Main artery carrying blood to the body.
-It regulates blood flow from the heart to the body, opening to allow blood to leave and closing to prevent backflow.

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9
Q

Cadiac Output

A

of blood that passes through heart in 1 min

-Heart rate x Stroke volume= CO

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10
Q

Atherosclerosis

A

The build-up of fats + cholesterol in and on the artery walls.
-A build up of cholesterol plaque in the walls of arteries causing obstruction of blood flow.

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11
Q

Occlusion

A

Blockage of coronary arteries

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12
Q

Lumen

A

Space or cavity within a blood vessel through which blood flows

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13
Q

Ischemia

A

Heart muscle is not receiving enough blood, oxygen, and nutrients

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14
Q

Thromboembolism

A

Blood clot floaring through blood vessels

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15
Q

Infarction

A

Death of tissue

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16
Q

Acute Coronary Syndrome (ACS)

A

Group of conditions where there is a sudden reduction or blockage of blood flow to the heart muscle

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17
Q

Angina Pectoris

A

Chest pain or discomfort, caused by reduced blood flow to myocardium

18
Q

Acute Myocardium Infarction

A

A blockage of blood flow to the heart muscle.

19
Q

AMI signs and symptoms

A

-Chest pain
-Pain that spreads to the shoulder, arm, back, neck, jaw, teeth or sometimes the upper belly.
-Cold sweat.
-Fatigue.
-Heartburn or indigestion.
-Lightheadedness or sudden dizziness.
-Nausea.
-Shortness of breath.

20
Q

Syncope

A

Temporary loss of consciousness

21
Q

3 AMI signs differ from angina

A
  1. Can occur at any time- even sleeping
  2. 30 mins- several hours
  3. May or may not be relieved by rest/nitro
22
Q

Consequences of AMI

A
  1. Sudden death
  2. Cardiogenic shock
  3. Congestive heart failure
23
Q

Ventricular Dysrhythimia

A

Abnormal heart beat

24
Q

Ventricular Fribrillation

A

Rapidly and irregular ventricle movemenf instead of pumping blood effectively

25
Asystole
Flatline - cardiac arrest rhythm where the heart stops pumping due to electrical system failure
26
Congestive Heart Failure (CHF)
Can't pump blood well
27
Dependent Edema
Swelling in body parts due to accumulation of blood
28
Hypertensive Emergency
Severe elevation in blood pressure (usually >180/120 mmHg) accompanied by acute target organ damage
29
Aortic Aneurysm
Enlargement + weakment of the aorta
30
Dissecting Aneurysm
Layers of aorta become separated, allowing blood to flow through it
31
Nitroglycerin Contraindication
ED Medication, BP<100
32
Nitroglycerin Side Effects
1. Decreased BP 2. Headache 3. Burning under tongue
33
Aspirin Controindicator
GI bleed - Antiplatelet- Prevents blood clots
34
Aspirin Dose
162-324mg (4 Tablets)
35
V1 V2
Medial niple line
36
V3 V6
V3- Lateral to lower v2 V6- Lateral to lower niple
37
V5
Directly bellow niple
38
V4
Between V3-5 lower
39
ECG
White- Left upper Green- Left lower abdomen Black- Right upper Red- RIght lower abdomen
40
Aneurysm
bulge in a blood vessel wall, often caused by a weakened area in the vessel