1. Intro Flashcards by alexandra silvonic | Brainscape

Q

Normal electrical power source of the heart

A

SA node

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Physiology of pacemaker cells

A

Automaticity

SA node

Influx of Ca2+

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Physiology of cardiomyocyte cells

A

Non spontanoues

AV node

Na+ in

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Rate of depolarization

A

SA node: 60-100
AV node: 40-60
Ventricles: 20-40

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Leads in anterior portion of heart

A

V2
V3
V4

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Leads in inferior portion of heart

A

II
III
aVF

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Leads in left lateral portion of heart

A

I
aVL
V5
V6

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Leads in right ventricular portion of heart

A

aVR

V1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many seconds small and large square represent

A

Small: 0.04s
Large: 0.20s

5 large = 1 s

How well did you know this?

1

Not at all

2

3

4

5

Perfectly