Basic EKG Flashcards
0
Q
Coronary Arteries
-Where are they located?
A
- 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
- Generate electrical impulses
3
Q
Cardiac Cells
-Conducting Cells
A
- Conduct the impulses to the myocardial cells
4
Q
Cardiac Cells
-Myocardial Cells
A
- ONLY have MECHANICAL function w/ electrical stimulation
5
Q
EKG
A
- EKG only shows electrical activity. NO mechanical activity
6
Q
Ejection Fraction
A
- 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
- Atrial Depolarization + Atrial Contraction
10
Q
QRS shows?
A
- Ventricular Depolarization
11
Q
ST shows?
A
- Ventricular Contraction
12
Q
T wave Shows?
A
- Ventricular Repolarization
13
Q
U wave shows?
A
- Repolarization of Purkinje
14
Q
QT Shows?
A
- Whole Ventricular Circle
15
Q
ECG Waves?
A
- P
- QRS
- 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
U wave
Repolarization of purkinjee
25
EKG interpretation
1. Rate
2. Rhythm
3. PR interval
4. QT interval
5 P wave
6. T wave
7. Interpretation
8. QRS complex
26
Sinus arrhythmia
Variation of normal sinsus
27
U wave
Repolarization of purkinjee
28
ECG Segments?
1. PR Segment
| 2. ST Segment
29
ECG Intervals?
1. PR Interval
| 2. QT Interval
30
Which Leads are Positively Deflected?
Leads I, II, & III
31
Leads V1 or MCL1
Small positive R-Wave then Large S-Wave
