Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Medical Block > Intro EKG > Flashcards

Intro EKG Flashcards

You may prefer our related Brainscape-certified flashcards:
USMLE® Step 1 flashcards
1
Q

V1 and V2 shows?

A

Septal wall MI’s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Describe each layer of the heart

A 
Endocardium
Myocardium
Visceral Pericardium
(Pericardial space)
Parietal Pericardium
Pleura- 2 layers with pleura cavity between
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Properties of cardiac cell (6)

ACCERR

A

Automaticity- Initiates Impulse
Conductivity- Receive and Conduct
Contractility- Shortening/Contracting
Excitability- Responds to Outside Stimuli
Rhythmicity- Regularity of Impulses
Refractoriness- Period in which cell not responsive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

atp is made in?

A

Mitochondria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Intercalated Disc outer protective layer

A

Sarcolemma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Sarcoplasmic reticulum

A

Calcium is stored inside

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

T tubules of intercalated disc

A

?

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Myofibrils of intercalated disc

A

Functioning active contracting fiber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

2 most common valve problems

A

regurge and prolapse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Right coronary artery

A

15-20%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Circumflex

A

40%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Left coronary artery

A

Most blood circulating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Coronary arteries

A

Circulate 200-250cc’s per minute

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Where does coronary blood dump

A

Great cardiac vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Collateral

A

Anastanomes (sp?)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Location of chemoreceptors

A

Medulla and aortic arch

17
Q

PH of IV bag

A

PH=5.5

could produce hyperchloremic acidosis

18
Q

Parasympathetic heart control

A

Atria

19
Q

Sympathetic heart control

A

Atria and ventricles

20
Q

Normal stroke volume

A

60-100

21
Q

Mean arterial pressure

A

Pressure needed to perfuse the coronary arteries (60-70)

22
Q

Ejection fraction

A

55-70%

23
Q

Limb leads are?

A

bipolar- positive and negative

24
Q

Augmented

A

AVR, AVL, AVF

25
Q

V=

A

Unipolar

26
Q

Precodial leads

A

V-leads

27
Q

EKG baseline

A

isoelectric line

28
Q

enlarged P wave

A

> .11 = enlarged atria

29
Q

Types of P waves

A
  1. notched
  2. Inverted- from AV junction
  3. upright/peaked atrial enlargement
  4. diphasic
30
Q

Normal PRI

A

.12-.2

.2 “prolonged”

31
Q

Normal QRS

A

.06 to .10

32
Q

q wave >.04 or > 25% height of R wave =

A

infarct or dead tissue

33
Q

Ischemia

A

ST depression

34
Q

Injury

A

ST elevation

35
Q

QT interval

A

.36-.44

36
Q

Look at EKG?

A 
Rate
Rhythm
Regularity
P Waves
PRI
QRS Wave
T Waves
37
Q

Indications for monitoring

A 
Chest pain
Abdominal pain in cardiac age patient
Burns
Trauma
Near drowning
Or any patient you feel needs a monitor
SOB
Syncope
Irregular pulse
Altered LOC
Shock
CPR
38
Q

PRI

A

.12-.2

39
Q

QRS

A

.06-.12

Medical Block (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions