Common medical abbreviations hr-NKA

h./hr

hour.

unit of time conventionally calculated as 1/24 of the day or 60 minutes.

H20

Water.

water is essential to life and required for normal body functions.

HOB

Head of bed.

abbreviation usually followed by number of degrees of elevation, for example: HOB 45°

HOH

Hard of Hearing.

HOH residents may hear only specific frequencies or sounds within a certain volume range. They may rely heavily upon hearing aids and lip reading.

h.s.

Bedtime / hour of sleep.

abbreviation for the latin term “hora somni,” which means at bedtime.

“take one tablet by mouth h.s.”

Ht

Height.

height is not vital sign but is an important measure to help evaluate the resident’s overall health.

I & O

Intake and Output.

Intake - All liquids or fluids consumed.

Output - Liquids that leave the body.

MI

Myocardial Infarction (heart attack).

commonly known as a heart attack, occurs when a portion of the heart is deprived of oxygen due to blockage of a coronary artery.

Na

Sodium.

Table salt is a combination of two minerals - sodium and chloride. the body needs a small amount of sodium to work properly.

NKA

No Known Allergies.

the resident does not have any known allergies to food or drugs.