Intro to EKG Procedures

True or false: EKG tests are noninvasive and painless.

• True

• False

Which of the following should be avoided for at least 24 hours before a stress test?

• Coffee

• Tea

• Monster energy drinks

• Aspirin

• Milk

Which of the following is most commonly used during a stress test to raise the patient’s heart rate?

• Treadmill

• Intravenous (IV) medication

• Motorcycle

• elliptical machine

Evan is a 40 year old patient who has recently complained of chest pain while exercising. Her doctor orders a stress test. What is the minimum heart rate Evan must reach during the test for it to be considered valid?

• 148

• 153

• 168

• 173

Change in electrical charge from negative to positive

• Depolarization

• Repolarization

• Leads

• Contraction

Change in electrical charge from positive back to negative

• Depolarization

• Repolarization

• Elasticity

• Contraction

EKG machines measure small differences in electrical charge, or ​ (a)   , between electrodes on a patient’s body.​

• voltage
• conduction
• velocity
• polarity

Tags

NGSS.HS-PS2-4

Test that records the electrical activity of the heart

• EKG

• echocardiogram

• MRI

• radiogram

Test that shows the mechanical activity of the heart

• EKG

• echocardiogram

• MRI

• radiograph

What is a holter monitor?

• A holter monitor is a device used to measure oxygen levels in the blood.
• A holter monitor is a device used to measure blood pressure.
• A holter monitor is a portable device used to monitor and record a person's heart activity.
• A holter monitor is a device used to monitor brain activity.