Heart Rate (HR):
– Measure manually at radial or apical pulse
– Note rate, rhythm, and strength
Blood Pressure (BP):
– Use manual or digital device
– Repeat abnormal readings for accuracy
Respiratory Rate (RR):
– Count for one full minute
– Observe effort, depth, and pattern
Oxygen Saturation (SpO₂):
– Monitor with pulse oximeter
– Document trends, not just single readings
Temperature:
– Oral, axillary, or tympanic measurement
– Watch for fever or hypothermia that can stress the heart
Documentation:
– Record time, values, and any changes
– Report abnormalities promptly