TMT Study Prep Exam 1

Front

What is the main purpose of the left side of the heart?

Back

Pump oxygenated blood to the body

Front

If there are 10 R intervals in a 6-second strip, what is the estimated heart rate?

Back

100 bpm

Front

If you have 30 large boxes on an ECG strip, how much time does that represent?

Back

6 seconds

Front

To use the 6-second method, you must ____ the number of ____ in a ____ time frame and multiply that number by ____.

Back

count; R waves; 6-second; 10

Front

On an ECG, one large box represents how much time?

Back

0.20 seconds

Front

On an ECG, how many small boxes represent one second?

Back

50 boxes

Front

What is the medical term for a rapid heartbeat?

Back

Tachycardia

Front

What is the medical term for a slower than normal heart rate?

Back

Bradycardia

Front

Which part of the heart is responsible for initiating the electrical impulse in a normal heartbeat?

Back

SA node

Front

What is the medical term for an irregular heartbeat?

Back

Arrhythmia