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unit 1 the body > ECG > Flashcards

ECG Flashcards

1
Q

What does ECG stand for

A

Electrocardiogram

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2
Q

Where is the sinoatrial node located

A

In the top of the right atrium

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3
Q

What is the job of the sinoatrial node

A

To send electrical signals to contract the atria

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4
Q

What is a nickname for the sinoatrial node

A

The pacemaker

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5
Q

Where is the atrioventular node located

A

In the bottom of the right atrium

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6
Q

What is the job of the atrioventular node

A

Electrical signal transported through bundle of HIS and is transported through punjurke fibers to make ventricles contract

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7
Q

Remember to go over ECG diagram of pulse

A

pls

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8
Q

What are the sounds of the heart

A

LUB and DUB

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9
Q

What is the sound of LUB

A

The sound of the AV valves closing
Ventricles are contracting
Loud and long

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10
Q

What is the sound of DUB

A

The sound made as the semi lunars shut
The atricles are about to shut
Soft and short

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11
Q

Where pressure is exerted when ventricles contract

A

On the aorta and plumatory arteries

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12
Q

Systolic pressure

A

Maximum pressure from ventricles contracting

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13
Q

Dystolic pressure

A

The lowest pressure when ventricles contract

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14
Q

How is blood pressure measured

A

Sphygomonmanometer

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15
Q

What is cardiac output

A

Its the amount of blood pumped by the heart in one minute

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16
Q

What is stroke volume

A

The amount of blood forced out with each beat

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17
Q

What are some good signs of good cardiovascular health

A

short recovery
Low heart rate
High stroke volume

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18
Q

What is the result of strengthened ventricle walls

A

Larger ventricle chambers

19
Q

What are the three pathways of the circulatory system

A

Plumatory
Systemic
Coronary

20
Q

Plumatory pathway

A

Transport oxygen poor blood to lungs and rich blood to the heart

21
Q

Systemic pathway

A

Moves oxygen rich blood throughout the body into tissues giving it nutrients

22
Q

Coronary pathway

A

Provides oxygen to heart tissues
Oxygen rich blood travels from the aorta to the coronary arteries and then back by the veins

23
Q

Atherosclerosis

A

Buildup of plaque on the inside of the artery walls. Restict blood flow

24
Q

What are treatments for artherosclerosis

A

Asprin
Angioplasty (ballon with mesh to hold it up)
Coronary bipass (grandma procedure)

25
Q

Heart murmer

A

Results from a leaky valve
Can be heard

26
Q

Heart attack

A

Restricted flow of blood to the heart muscle
Heart cells begin to die

27
Q

Stroke

A

When poor blood flows to the brain resulting in cell death

28
Q

Plasma

A

Fluid portion in the blood

29
Q

What are some parts in plasma

A

Water
Disolved gas
Proteins
Hormoes
ect

30
Q

What is another word for red blood cells

A

Erthrocytes

31
Q

Anemia

A

Too little red blood cells or hemoglobin

32
Q

What is another word for white blood cells

A

Leukocytes

33
Q

Where are white blood cells produced

A

Bone marrow/ thyme

34
Q

What is the lifespam of white blood cells

A

few hours/ days

35
Q

Platelets

A

Prevent blood loss

36
Q

What is the lifespam of platelets

A

2-8 days

37
Q

What is the first step to a blood clot

A

Having a wound

38
Q

What is the result of a blood clot

A

Fibrin is created it is a plug

39
Q

Homeostatic regulation

A

Maintians tempeture by balencing heat production

40
Q

Vascodiliation

A

Bodys internal tempature becomes too warm.

41
Q

What is perspiation

A

Helps the body get rid of exess heat

42
Q

Vasoconstriction

A

Bodys internal temepature is too cold

43
Q

What fluid are cells surrounded by

A

interestinal fluid between cells and tissues

unit 1 the body (12 decks)

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