Brainscape's Knowledge GenomeTM

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


See full index

Cardio Exam 1 > 11 - ECG Recognition I > Flashcards

11 - ECG Recognition I Flashcards

1
Q

Review of all ECG material

A

Physiology Exam II - Electrocardiogram I and II

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

What is a P wave?

A

deflection from and return to isoelectric line

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

What physiological event does a P wave correlate with?

A

atrial myocyte depolarization (phase 0)

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

What is the normal duration of a P wave?

A

0.06-0.11 sec

1-2 small boxes

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

What is a QRS complex?

A

deflection from and return to isoelectric line

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

What physiological event does a QRS complex correlate with?

A

ventricular myocyte depolarization (phase 0)

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

What is the normal duration of a QRS complex?

A

0.03-0.12 sec

(

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

What is a PR interval?

A

beginning of P wave deflection to beginning of QRS complex

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

What physiological event does a PR interval correlate with?

A

all electrical events (depolarization- phase 0’s) upstream of ventricular myocytes (atrial myocyte, AV node, bundle, bundle branches, Purkinje fibers)

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

What is the normal duration of a QRS complex?

A

0.12-0.2 sec

3-5 small boxes

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

What is a T wave?

A

deflection from and return to isoelectric line

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

What physiological event does a T wave correlate with?

A

ventricular myocyte repolarization (phase 3)

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

What is the normal duration of a T wave?

A

Variable

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

What is a QT interval?

A

beginning of QRS complex to the end of the T wave

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

What physiological event does a QT interval correlate with?

A

the entire action potential for the ventricular myocytes (depolarization- plateau- repolarization)

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

What is the normal duration of a QT interval?

A

variable

roughly half R-R interval

17
Q

What is the ST segment?

A

end of the QRS complex to the beginning of the T wave deflection

18
Q

What physiological event does a QT interval correlate with?

A

ventricular myocyte plateau phase (phase 2)

19
Q

What is the normal duration of an ST segment?

A

Variable (with HR)

20
Q

What is the sequence of depolarization of the heart?

A
  • SA node
  • Atria
  • AV node
  • Bundle of His
  • Bundle branches
  • Purkinje fibers
  • Ventricles (septum, apex, ventricular free walls)

Cardio Exam 1 (15 decks)

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