Common Medical Terminology - NREMT

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Prefix	Meaning	Example
A-, An-

Prefix	Meaning	Example
A-, An-

Prefix	Meaning	Example
	not, without	asystole, anoxic, analgesic

Ant-, Anti-

Meaning: against

Example: antacid, antagonist

Bi-

Meaning: two

Example: bicycle, binary

Bio-

Meaning: Life

Example: biology, biography

Brady-

Meaning: Slower than normal

Example: Bradycardia, bradypnea

Cardio-

Meaning: Pertaining to the heart

Example: Cardiology

Dys-

Meaning: Difficulty

Example: Dyspnea, Dyslexia

Neuro-

Meaning: Pertaining to the brain or CNS

Example: Neurology

Hyper-

Meaning: Elevated or higher than normal

Example: Hyperthermia

Hypo-

Meaning: Depressed or reduced in contrast to normal

Example: Hypothermia

Naso-

Meaning: Pertaining to the upper part of the pharynx. (External nose structures are indicated with the prefix "-rhino," as in rhinoplasty.)

Example: Nasogastric

Oro-

Meaning: Pertaining to the mouth

Example: Oropharynx

Arterio-

Meaning: Pertaining to the arteries

Example: Arteriogram -artery picture

Hemo, hem-, haemat-

Meaning: Pertaining to the blood

Example: Hemophilia

Therm-

Meaning: Pertaining to heat

Example: Hyperthermia - Too much heat

Tachy-

Meaning: Faster than normal

Example: Tachycardia

Homo-, Homeo-

Meaning: Same

Example: Homogenous, homosexual

Hetero-

Meaning: Different

Example: Heterozygous, heterosexual

Suffix	Meaning	Example
-algia, algy

Suffix	Meaning	Example
	pain	analgesic, nostalgia

-asthenia

Meaning: weakness

Example: myasthenia

-gram

Meaning: a record or picture of

Example: Cardiogram

-itis

Meaning: inflammation

Example: arthritis, tonsilitis

-megaly

Meaning: irregular or abnormal enlargement

Example: cardiomegaly

-ology

Meaning: the study of

Example: biology, neurology

-scopy

Meaning: visual examination of

Example: endoscopy, laryngoscopy