Medical Terminology

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Heart Layers
Peri/card/ium
Around/heart/tissue
Epi/card/ium
Top/heart/tissue
Myo/card/ium
Muscle/heart/tissue
Endo/card/ium
Inner/heart/tissue

4. 4
Heart
Chambers
Plural Singular
Atria RA: Right Atrium
LA: Left Atrium
Ventricles RV: Right Ventricle
LV: Left Ventricle

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Heart Valves
Right Atrio-Ventricular
(Tri/cuspid: Three/cusps)
Left Atrio-Ventricular
(Bi/cuspid: Two/cusps)
Aort/ic
Aorta/pertaining to
Pulmon/ary
Lung/pertaining to

6. 6
Heart
Sounds
1st: A-V valves closed
2nd: AV and PV closed
Systole: Contraction
Diastole: Dilation

7. 7
Heart
Electrical
Impulses
SA Node
Sino-Atrial Node
AV Node
Atrio-Ventricular Node
AV Bundle
Atrio-Ventricular Bundle
R and L Bundle Branches
Right and Left Bundle Branches
Purkinje Fibers

8. 8
Electro/cardi/o/gram
Electricity/heart/o/record
P wave (contraction)
QRS wave (contraction)
T wave (relaxation)

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Blood
Vessels
Arteries
Arteri/oles
(Arteries/small)
Capillaries
Ven/ules
(Veins/small)
Veins

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Blood Flow
Vessel/o/narrowing Vessel/o/widening

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Blood
Pressure
Sphygm/o/manometer
Pulse/o/measuring device
Systole over Diastole
Contraction over Dilation
Hyper/tension
High/pressure
Hypo/tension
Low/pressure

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Peri/card/itis
Around/heart/inflammation
Epi/card/itis
Top/heart/inflammation
Myo/card/itis
Muscle/heart/inflammation
Endo/card/itis
Inner/heart/inflammation
Brady/card/ia
Slow/heart/condition
Tachy/card/ia
Rapid/heart/condition
A/rrythm/ia
Absence/rhythm/condition
Dys/rythm/ia
Abnormal/rhythm/condition
Heart Rate
Abnormalities
Suffix for
inflammation

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Ather/o/scler/osis
(Fatty/o/hardening/condition)
▼
Arteri/o/scler/osis
(Artery/o/hardening/condition)
▼
CAD
(Coronary Artery Disease)
▼
MI
My/o/card/i/al Infarction
(Muscle/o/heart/pertaining to Death)
▼
Angina Pectoris
(Pain Chest)
Patho/physio/logy Diagnostic Tests
Singular Plural
Thromb/us Thromb/i
(Clot) (Clot/s)
▼
Thromb/osis
(Clotting/condition)
▼
Embol/us Embol/i
(Migrating Clot) (Migrating Clot/s)
▼
Embol/ism
(Migrating Clot/condition)

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Diagnostic Tests
Echo/cardi/o/graphy CABG AED
Sound/heart/o/process of recording Coronary Artery Bypass Grafting Automatic External Defibrillator
Angi/o/graphy Angioplasty CPR
Vessel/o/process of recording Vessel/o/plastic surgery Cardio-Pulmonary Resuscitation
ECG = EKG
Electr/o/cardi/o/graphy
Electr/o/cardi/o/graphy
Electricity/o/heart/process of recording
Treatment Procedures/Devices

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