Suffix
Prefix
Cardiovascular Diseases
The Electrical System of the Heart
Blood Components
100

-Ac

Pertaining to

100

a-

absence of

100

This condition occurs when blood flow to the heart is blocked, often causing chest pain.

What is a heart attack (myocardial infarction)?

100

The heartbeat is initiated by this natural pacemaker.

What is the sinoatrial (SA) node?

100

These cells carry oxygen throughout the body.

What are red blood cells?

200

-apherisis

removal

200

brady-

slow

200

High blood pressure is also known by this medical term.

What is hypertension?

200

This wave on an EKG represents ventricular contraction.

What is the QRS complex?

200

This protein in red blood cells binds to oxygen.

What is hemoglobin?

300

-centesis

surgical puncture to aspirate fluid

300

endo-

within

300

This disease occurs when fatty deposits build up in the arteries, narrowing them.

What is atherosclerosis?

300

The AV node delays the electrical signal to allow this to happen.

What is the filling of the ventricles?

300

These blood cells help fight infection.

What are white blood cells?

400

-dynia

pain

400

epi-

upon or below
400

The term for an irregular heart rhythm.

What is arrhythmia?

400

Electrical impulses travel through these fibers to stimulate the ventricles to contract.

What are Purkinje fibers?

400

Platelets are responsible for this important function.

What is blood clotting?

500

-ade

Process of

500
pan-

all or total

500

This condition occurs when the heart is too weak to pump blood effectively.

What is heart failure?

500

This medical device helps regulate abnormal heart rhythms by delivering small shocks.

What is a pacemaker?

500

Plasma makes up approximately this percentage of blood.

What is 55%?

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