brady-

Meaning:  slow

endo-

Meaning:  inside, within

epi-

Meaning:  upon, over, on top

hyper-

Meaning:  excessive, abnormal

hypo-

Meaning: under or below

peri-

Meaning:  around

tachy-

Meaning: fast

a-

Meaning:  without

an-

Meaning:  without, not

dys-

Meaning:  difficult, painful, abnormal

hemi-

Meaning: half

hyper-

Meaning:  excessive, above normal

in-

Meaning:  not, inward

inter-

Meaning:  between

intra-

Meaning:  within, inside

pan-

Meaning:  all, entire

sub-

Meaning:  under, below

para-

Meaning:  beside, normal

 poly-

Meaning:  many

post-

Meaning:  after

pre-

Meaning:  before

-crasia

Meaning:  a mixture or blending

(often used in relation to blood)

-emia

Meaning: blood condition

-ectomy

Meaning: surgical removal

-graphy

Meaning:  process of recording

-itis

Meaning:  inflammation

-lysis

Meaning:  destruction, breakdown

-megaly

Meaning:  enlargement

-osis

Meaning: abnormal

-penia

Meaning:  deficiency

-plasty

Meaning:  surgical repair

-rrhage

Meaning: bursting forth, excessive flow

-stasis

Meaning:  stopping, controlling

-cytosis

Meaning: condition of cells

- algia

Meaning:  pain

-cele

Meaning:  hernia, swelling

-cyte

Meaning: cell

-ectomy

Meaning:  surgical removal

-genic

Meaning: producing, originating, or causing

-gram

Meaning:  record or image

-graph

Meaning:  instrument used to record

-graphy

Meaning:  process of recording

-iatrist

Meaning:  specialist in treatment

-iatry

Meaning:  field of medicine, treatment

-itis

Meaning:  inflammation

-lepsy

Meaning:  seizure

-logist

Meaning:  specialist in a field of study

-malacia

Meaning:  abnormal softening

-mania

Meaning:  madness or excessive preoccupation

-oid

Meaning:  resembling or like

-oma

Meaning:  tumor, swelling

-pathy

Meaning: disease 

-phobia

Meaning:  fear

-rrhaphy

Meaning: suturing or stitching

-tomy

Meaning:  cutting or surgical incision

-tropic

Meaning:  having an affinity for influencing

angi/o

Meaning:  vessel (usually blood or lymph)

aort/o

Meaning:aorta

arteri/o

Meaning:  artery

ather/o

Meaning:  fatty plaque

capillar/o

Meaning: capillaries (the smallest blood vessels)

cardi/o

Meaning:  heart

chrom/o, chromat/o

Meaning:  color

erythr/o

Meaning:  red

hem/o, hemat/o

Meaning:  blood

isch/o

Meaning:  restriction, deficiency

leuk/o

Meaning: white

my/o

Meaning:  muscle

phleb/o

Meaning: vein

scler/o

Meaning:  hardening

sten/o

Meaning:  narrowing

thromb/o

Meaning:  clot

valvulo/o

Meaning:  valve

vas/o

Meaning:  vessel

ven/o

Meaning:  vein

alges/o

Meaning: sensitivity to pain

cephal/o

Meaning:  head

cerebr/o

Meaning:  brain, cerebrum

cerebell/o

Meaning:  cerebellum (part of the brain)

concuss/o

Meaning:  to shake violently

crani/o

Meaning:  skull

dur/o

Meaning: dura mater (outermost layer of the meninges) 

encephal/o

Meaning:  brain

esthesi/o

Meaning:  sensation, feeling

gangli/o, ganglion/o

Meaning:  ganglion (a cluster of nerve cell bodies)

hydr/o

Meaning: water, fluid

lob/o

Meaning: lobe

ment/o

Meaning:  mind, chin

mening/o, meningi/o

Meaning:  meninges (membranes covering the brain and spinal cord.

mon/o

Meaning:  one, single

myel/o

Meaning:  spinal cord, bone marrow

neur/o, neur/i

Meaning:  nerve

phas/o

Meaning:  speech

poli/o

Meaning: gray matter (of the brain or spinal cord)

pont/o

Meaning:  pons (a part of the brainstem)

psych/o

Meaning:  mind

radic/o, radicul/o, rhiz/o

Meaning:  nerve root

vag/o

Meaning:   vagus nerve (a cranial nerve)

A-fib

Stands For:   Atrial Fibrillation

AED

Stands For:   Automated External Defibrillator

CABG

Stands For: Coronary Artery Bypass Graft

CAD

Stands For:  Coronary Artery Disease

Card Cath, CC

Stands For:  Cardiac Catherization

CVI

Stands For:  Chronic Venous Insufficiency

EKG, ECG

Stands For:  Electrocardiogram

HTN

Stands For:  Hypertension

ICD

Stands For:  Implantable Cardioverter Defibrillator

MI

Stands For:  Myocardial Infarction

PAD

Stands For:  Peripheral Artery Disease

PVD

Stands For:  Peripheral Vascular Disease

Tpa

Stands For:  Tissue Plasminogen Activator

TST

Stands For:  Treadmill Stress Test

V-fib

Ventricular Fibrillation

AD

Stands For:  Alzheimer's Disease

ALS

Stands For:  Amyotrophic Lateral Sclerosis

ADHD

Stands For:  Attention-Deficit/Hyperactivity Disorder

CP

Stands For:  Cerebral Palsy

CSF

Stands For:  Cerebrospinal Fluid

EEG

Stands For:  Electroencephalogram

ICP

Stands For:  Intracranial Pressure

LOC

Stands For:  Level of Consciousness

LP

Stands For:  Lumbar Puncture

MS

Stands For:  Multiple Sclerosis

OCD

Stands For:  Obsessive-Compulsive Disorder

PTSD

Stands For:  Post-Traumatic Stress Disorder

Sz

Stands For:  Siezure

TIA

Stands For:  Transient Ischemic Attack