How to Calculate Heart Rate from ECG

Advanced 45 min 8 steps 25484 views Rating: 5.0/5 Published: 2026-03-22

Be aware of how a normal "wave form" looks on an ECG trace.. Identify the QRS complex.. Count the space between QRS complexes.

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Steps

1

Be aware of how a normal "wave form" looks on an ECG trace.

Step 1

Be aware of how a normal "wave form" looks on an ECG trace.

2

Identify the QRS complex.

Step 2

Identify the QRS complex.

3

Count the space between QRS complexes.

Step 3

Count the space between QRS complexes.

4

Divide the number 300 by your answer above.

Step 4

Divide the number 300 by your answer above.

5

Draw two lines on the ECG trace.

Step 5

Draw two lines on the ECG trace.

6

Count the number of QRS complexes between the two lines.

Step 6

Count the number of QRS complexes between the two lines.

7

Multiply your answer by 10.

Step 7

Multiply your answer by 10.

8

Understand that this method is particularly effective for irregular heart rhythm

Step 8

Understand that this method is particularly effective for irregular heart rhythms.

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