|
The
pulse is the heart rate (number of heart beats in one minute). It is
always expressed as beats-per-minute, or BPM.
While
you certainly can count the number of beats over an entire minute, most
people will shorten the process:
-
#
of beats in 30 seconds, doubled to give the 1-minute rate.
-
#
of beats in 15 seconds, multiplied by 4 to give the 1-minute rate.
-
#
of beats in 10 seconds, multiplied by 6 to give the 1-minute rate.
-
#
of beats in 6 seconds, multiplied by 10 to give the 1-minute rate.
The last
of these is the fastest and easiest, but least accurate. When there is a
need for an absolutely precise pulse measurement, count for a full 60
seconds.
The pulse
may be obtained from a number of areas, including the wrist (radial
artery), neck (carotid artery), groin (femoral artery), or foot (dorsalis
pedis artery). Any place where you can feel, hear, or visualize a
pulsation can be used.
The
presence of a pulse in certain body areas correlates reasonably well with
the following blood pressures:
| Location of Pulse |
Systolic BP is at least: |
| Wrist |
80 mm |
| Neck |
60 mm |
| Groin |
70 mm |
| Foot |
90 mm |
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Operational Medicine 2001
Health Care in Military Settings
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Operational
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Health Care in Military Settings
CAPT Michael John Hughey, MC, USNR
NAVMED P-5139
January 1, 2001 |
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