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Cardiac Strip Norms
Cardiac strip normal values
| Question | Answer |
|---|---|
| Normal Heart Rate | 60 to 100 beats per minute |
| P Wave | Present, Alike, w/ QRS |
| PR interval | 0.12 to 0.20 |
| QRS duration | 0.04 to 0.10 |
| Atrial Contraction Norm | 60-100 beats per minute |
| Ventricular Contraction Norm | 20-40 beats per minute |
| Large Box on the strip | O.2 seconds |
| Small Box on strip | 0.04 second |
| Heart rate measurement Lg boxes | Count the large boxes and multiply by 300. |
| Heart rate measurement Sm Boxes | Count the small boxes and multiply by 1500. |