Week 7: Introduction to ECG's Flashcards
1
Q
What does a 12 lead ECG do?
A
- sees the heart from 12 different views therefore sees what is happening in different portions of the heart
2
Q
What is the P wave?
A
Atrial depolarisation
3
Q
What is QRS?
A
Ventricular depolarisation
4
Q
What is T?
A
Ventricular depolarisation
5
Q
Why carry out an ECG?
A
- chest pain
- SOB
- collapse
- falls
- cardiac history
- seizure
- abdominal pain
- ROSC
6
Q
What are some challenges that effect ECG placements?
A
- amputees
- post surgery access to chest
- dressings
- patient consent
- medical conditions
7
Q
What is one small horizontal box on ECG paper?
A
0.04 seconds
8
Q
What is one large horizontal box on ECG paper?
A
0.20 seconds
9
Q
What is one large vertical box on ECG paper?
A
0.5mV
10
Q
What are the steps of rhythm analysis?
A
- calculate rate
- determine regularity
- assess P wave
- determine the PR interval
- interpret the QRS duration
11
Q
What are the 2 non-shockable cardiac arrest rhythms?
A
PEA and asystole
12
Q
What are the 2 shockable cardiac arrest rhythms?
A
Pulseless ventricular tachycardia and ventricular fibrillation
