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Flashcards in Basic EKG Deck (32)
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0
Q

Coronary Arteries

-Where are they located?

A
  1. The coronary arteries lie on top of the EPICARDIUM
1
Q

Pulmonary Veins

A

Only veins that carry oxygenated blood

2
Q

Cardiac Cells

-Pacemaker Cells

A
  1. Generate electrical impulses
3
Q

Cardiac Cells

-Conducting Cells

A
  1. Conduct the impulses to the myocardial cells
4
Q

Cardiac Cells

-Myocardial Cells

A
  1. ONLY have MECHANICAL function w/ electrical stimulation
5
Q

EKG

A
  1. EKG only shows electrical activity. NO mechanical activity
6
Q

Ejection Fraction

A
  1. The % of blood pumped out with each contraction

- Normal = 65-75%

7
Q

P-Wave shows what?

A

Atrial Depolarization

8
Q

PR Shows?

A

Atrial Contraction

9
Q

PR Interval Shows?

A
  1. Atrial Depolarization + Atrial Contraction
10
Q

QRS shows?

A
  1. Ventricular Depolarization
11
Q

ST shows?

A
  1. Ventricular Contraction
12
Q

T wave Shows?

A
  1. Ventricular Repolarization
13
Q

U wave shows?

A
  1. Repolarization of Purkinje
14
Q

QT Shows?

A
  1. Whole Ventricular Circle
15
Q

ECG Waves?

A
  1. P
  2. QRS
  3. T
16
Q

Depolarization

A

Electrical Event

17
Q

Contraction

A

Mechanicaal Event

18
Q

Repolarization

A

Resting Diastole

19
Q

Cardiac Ions

A

Potassium
Calcium
Magnesium

20
Q

Depolarization

A

Electrical Event

21
Q

Contraction

A

Mechanicaal Event

22
Q

Repolarization

A

Resting Diastole

23
Q

Cardiac Ions

A

Potassium
Calcium
Magnesium

24
Q

U wave

A

Repolarization of purkinjee

25
Q

EKG interpretation

A
  1. Rate
  2. Rhythm
  3. PR interval
  4. QT interval
    5 P wave
  5. T wave
  6. Interpretation
  7. QRS complex
26
Q

Sinus arrhythmia

A

Variation of normal sinsus

27
Q

U wave

A

Repolarization of purkinjee

28
Q

ECG Segments?

A
  1. PR Segment

2. ST Segment

29
Q

ECG Intervals?

A
  1. PR Interval

2. QT Interval

30
Q

Which Leads are Positively Deflected?

A

Leads I, II, & III

31
Q

Leads V1 or MCL1

A

Small positive R-Wave then Large S-Wave