Lab: EKG Flashcards

1
Q

Sound of the Triscuspid Valve

A

Auscultation of the right sternal margin of the 5th intercostal space (Bottom Right)

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2
Q

Sound of the Mitral Valve

A

Auscultation over the heart apex, at the center of the clavicle at the 5th intercostal space (Bottom Left)

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3
Q

Sound of the Pulmonary Valve

A

Auscultation of the left sternal margin at the 2nd intercostal space (Top Left)

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4
Q

Sound of the Aortic Valve

A

Auscultation of the right sternal margin at the 2nd intercostal space (Top Right)

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5
Q

What is a heart murmur and how is it detected?

A

Detected by Auscultation, a swishing noises caused by a back flow of blood.

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6
Q

The sound of the closure of AV valves

A

Lub (valves)

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7
Q

The sound of the closure of Semilunar valves

A

Dub (valves)

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8
Q

The sound of the end of systole

A

Dub (systole vs diastole)

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9
Q

The sound of the beginning or ventricular systole

A

Lub (systole vs diastole)

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10
Q

Alternate names for S-1 S-2

A

Alternate names for Lub-Dub

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11
Q

Pulse

A

Alternating surges of pressure in an artery with systole and diastole

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12
Q

Pulse pressure

A

The difference between systolic and diastolic pressure

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13
Q

Stimulates the atria to depolarize

A

The role of the SA node

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14
Q

The P wave

A

Wave representing atrial depolarization/contraction on an EKG

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15
Q

Stimulates blood to enter the ventricles

A

The role of atrial pressure caused by atrial contraction

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16
Q

Period when the AV valves are open

A

Valve status during diastole

17
Q

The QRS complex

A

Wave representing ventricular depolarization on the EKG

18
Q

Period when ventricles contract

A

During systole halfway through QRS complex

19
Q

Period on EKG of systole

A

From R- end of T wave.

20
Q

Period on EKG of diastole

A

From end of T wave until halfway through the QRS complex.

21
Q

What occurs between S1-S2

A

Systole’s position on the EKG

22
Q

Systole

A

Contraction phase of the heartbeat when blood is pumped from the chambers into the arteries

23
Q

Diastole

A

Relaxation phase of the heartbeat when the chambers to fill with blood

24
Q

What causes the semilunar valves to open?

A

Rapid ejection of blood during ventricular contraction

25
The T wave
Wave representing Ventricular Repolarization on the EKG
26
Passive ventricular filling
Phase 1, when atrial pressure forces AV valves open. Blood flows from atria to ventricles.
27
Ventricular filling with atrial contraction
Phase 2, when atria contract to complete filling of the ventricles and ventricular diastole ends.
28
Isolvolumetric contraction
Phase 3, when ventricles begin to contract and ventricular pressure increases, closing the AV valves.
29
Ventricular ejection
Phase 4, when ventricular pressure continues to rise, causing an ejection of blood through the SL Valves
30
Isolvolumetric relaxation
Final Phase (5), when pressure in the ventricles fall as they relax. SL valves close.
31
Ventricular filling valve status
Ventricles: Relaxed/Diastole Atria: Relaxed/Diastole AV Valves: Opened SL valves: Closed
32
Ventricular filling with atrial contraction valve status
Ventricles: Relaxed/Diastole Atria: Contracted/ Systole AV Valves: Opened SL valves: Closed
33
Isolvolumetric contraction valve status
Ventricles: Contracted/ Systole Atria: Relaxed/Diastole AV Valves: Closed SL valves: Closed
34
Ventricular ejection valve status
Ventricles: Contracted/ Systole Atria: Relaxed/Diastole AV Valves: Closed SL valves: Open
35
Isolvolumetric relaxation valve status
Ventricles: Relaxed/Diastole Atria: Relaxed/Diastole AV Valves: Closed SL valves: Closed
36
Equivalent to one heartbeat
Equivalent to one cardiac cycle
37
Total heart relaxation
Quiescent period