a- / an-

Asystole 

Without, absence of 

no heart beat

brady-

bradycardia

Slow-

slow heart rate

tachy-

Tachycardia –

Fast

fast heart rate

hyper-

Hypertension

Excessive, above normal

high blood pressure

hypo-

Hypotension –

Below normal

low blood pressure

endo-

Endocardium –

Within, inner

inner heart lining

epi-

Epicardium

upon over 

outer heart layer

peri-

pericardium

around 

around the heart

inter-

interventricular

between

between verticals

intra-

intravenous

within 

within the vein

extra-

Extracorporeal

outside

outside the body

trans-

transfusion

across through

transfer of blood

dia-

diastole

through across

relaxation phase of heart beat

pan-

pancarditis

all entire

inflammation of entire heart

poly-

polyarteritis

many excessive

inflammation of many arteries

tri-

tricuspid

three-

three cusped valve in heart

bi-

bicuspid

two

two cusped valve

(mitral valve)

anti-

anticoagulant

against

prevents blood clouting

pre-

precordial

before

in front of the heart

pre-

precordial

before

in front of the heart

post-

postoperative

after 

after surgery

angi\o

angiogram

vas\o

vasoconstriction

vascul\o

vasculitis

arteri\o

arteroisclerosis

arteriol/o

arteriolitis

aort/o

aortopathy

phleb/o

phlebitis

ven/o

venogram

venul/o

venulitis

cardi/o

cardiomegaly

coron/o

coronary

hem/o

hemorrhage

hemat/o

hematoma

thromb/o

thrombosis

sphygm/o

sphygmomanometer

sten/o

stenosis

isch/o

ischemia

valvul/o

valvuloplasty

my/o

myocardium

electr/o

electrocardiogra

sept/o

septoplasty

nuer/o

neurology

encephal/o

encephalitis

cerebro/o

cerebrospinal

meninng/o

meningitis

somn/o

somnambulism

narc/o

narcolepsy

esthesi/o

anesthesia

phas/o

aphasia

lex/o

dyslexia

cephal/o

cephalalgia

ventricul/o

ventriculitis

ventricle

radicul/o

radiculopathy

gangli/o

ganglioneuroma

glia

neuroglia

cerebell/o

cerebellar

cran/o

craniotomy

ment/o

mental

schiz/o

schizophrenia

noci

nociceptor