What must be done after finding the pulse to determine heart rate?

To determine heart rate accurately after finding the pulse, counting the beats for a set period, such as 10 seconds, and then multiplying by 6 is an efficient method. This approach allows for a quick estimation of heart rate without needing to sustain the counting for an entire minute, which can be more challenging and can lead to inaccuracies if the count is lost or if there are interruptions in either counting or feeling the pulse.

The multiplication by 6 is based on the simple arithmetic principle that if you count for 10 seconds, you can project that count to a full minute (since 60 seconds divided by 10 seconds is 6). This method is widely accepted in both clinical and fitness settings for its speed and efficiency, particularly when quick assessments are necessary.

In contrast, the other options do not effectively contribute to determining heart rate in a practical way. Counting breaths, measuring blood pressure simultaneously, or evaluating fitness level based on the pulse do not directly help in calculating heart rate from the pulse found. Hence, the method of counting beats over a brief duration and applying multiplication allows for a simple and reliable heart rate measurement.