what does the pulse measure
Measure the pulse in the wrist area, radial pulse.
What does the pulse measure
The number of times your heart beats in a minute, the heart rate.
You can check your pulse at your wrists, your neck, or underarms.
what does the pulse measure
no
An oximeter is a device to measure the oxygen saturation level in blood. I believe that a "pulse" oximeter has a sensor to measure pulse as well, though it wouldn't surprise me if some devices not having such a sensor but otherwise looking and working like a pulse oximeter were casually called that too.
The pulse is a measure of the heart rate.
because they care
Analysis and implication of pulse oximerty findings
To determine the subject's heart rate.