Parts of an ECG
- P Wave
- Atrial Depolarization
- QRS Complex
- Ventricular Depolarization
- T Wave
- Ventricular Repolarization
ECG Interpretation
- Rate
- Rhythm
- P Waves
- Upright, Rounded, Before Every QRS
- PR Interval (< 0.20 seconds)
- Normal QRS (< 0.12 seconds)
ECG: Sinus Bradycardia
- < 60 bpm
- Regular
- Present, Upright, Every QRS
- < 0.20 seconds
- < 0.12 seconds
- Atropine
ECG: Sinus Tachycardia
- > 100 bpm
- Regular
- Present, Upright, Every QRS
- < 0.20 seconds
- < 0.12 seconds
- Treat Underlying Cause
ECG: Atrial Fibrillation
- Variable Rate
- Irregular Rhythm
- No P Wave
- No PR Interval
- QRS < 0.12 Seconds
ECG: Atrial Flutter
- Variable
- Regular or Irregular
- Saw Tooth, Multiple Before Every QRS
- Non-measurable
- < 0.12 seconds
12 Lead Contiguous Leads - Inferior Wall MI
- Lead II
- Lead III
- Lead aVF
- Right Coronary Artery (RCA)
12 Lead Contiguous Leads - Septal Wall MI
- Lead V1
- Lead V2
- Left Anterior Descending (LAD)
12 Lead Contiguous Leads - Anterior Wall MI
- Lead V3
- Lead V4
- Left Anterior Descending (LAD)
12 Lead Contiguous Leads - Lateral Wall MI
- Lead I
- Lead aVL
- Lead V5
- Lead V6
- Circumflex