EKG Flashcards 2

Front

The term for a contracting heart is

Back

systole

Front

In the heart, what happens after the atria contract?

Back

blood is squeezed into the ventricles

Front

What can happen if the heart beats too slowly? Options: snycope... fainting, nothing, cardiac arrest, MI

Back

snycope... fainting

Front

What is an electrocardiogram?

Back

the recording or tracing of an EKG

Front

How many electrodes on a 12 Lead EKG?

Back

10

Front

What is the cardiac cycle?

Back

the performance of the heart from one cardiac cycle to the next

Front

What is PQRST complex?

Back

the letters that represent a cardiac cycle

Front

What does the T wave show?

Back

relaxation of the heart (ventricles repolarizing)

Front

The rare U wave shows up

Back

after the T wave

Front

The QRS complex occurs when

Back

the ventricles contract