EKG

1
EKG

• Normal Sinus
• Sinus Tachycardia

2
Normal Sinus Rhythm

• General
• Each P wave with QRS
• P wave rate 60-100 (lt10 variation)
• Normal QRS axis
• 0 to 90 degrees
• Normal P waves
• Height lt2.5mm lead II
• Width lt0.11s in lead II
• Normal PR interval
• 0.12-0.20 s

• Normal QRS complex
• lt0.12 s
• No pathological Q waves
• Normal QT interval
• lt 0.42 or calculated
• Normal ST segment
• Normal T waves

3
Normal Sinus Rhythm

1. General - rate 3. P waves lt2.5 / .11 (II) 5. QRS
   lt.12 no Qs 7. ST segment
2. QRS axis 0-90 4. PR interval .12-.20 (II) 6. QT
   lt.42 8. T waves

4
Sinus Tachycardia

• General
• Rate gt100
• Regular
• P waves
• Upright 11 (II)
• PR interval
• 0.12-0.20 and shortens
• QRS
• lt0.12

5

1. Rate gt100 3. PR .12-.20
2. P waves 11 4. QRS lt0.12