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Outward signs of what is going on inside the body, including respiration; pulse; skin color, temperature, and condition (pulse capillary refill in infants and children); pupils; and blood pressure
Systolic Blood Pressure
The pressure created when the heart contracts and forces blood out into the arteries
Diastolic Blood Pressure
The pressure remaining in the arteries when the left ventricle of the heart is relaxed and refilling
Blood Pressure Monitor
Machine that automatically inflates a blood pressure cuff and measures blood pressure
An electronic device for determining the amount of oxygen carried in the blood, known as the oxygen saturation or SpO2
Oxygen Saturation (SpO2)
The ratio of the amount of oxygen present in the blood to the amount that could be carried, expressed as a percentage.
An indication of a patient's condition that is objective, or can be observed by another person; an indication that can be seen, heard, smelled, or felt by the EMT or others
An indication of a patient's condition that cannot be observed by another person but rather is subjective, or felt and reported by the patient.
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