ECG Measurement
ECG Measurement
Major ECG Intervals, Measurements, and Durations
ECG paper usually moves at speed of 25 mm/s. At that speed the following are standard intervals on ECG paper (Figure 7:)
• 1 tiny box: 0.04 second
• 1 large box: 5( tiny boxes): 0.20 second
• A 6-second strip si 30 large boxes
• There are 30 large boxes on a1-minute strip of paper
• There are 1500 tiny boxes in a 1-minute strip of paper