Which test is used to help diagnose cardiac disease conditions?
EKC
EEG
EAG
ECG
ECG
Which of the following will NOT help create a good ECG tracing?
Tell the patient to take big, deep breaths
Good electrode placement
Cleansing the skin with alcohol
Checking electrical wires
Tell the patient to take big, deep breaths
Where do the electrical impulses of the heart begin?
atrioventricular (AV) node
sinoatrial (SA) node
Purkinje fibers
Bundle of His
SA node
Ventricular depolarization correlates with which part of the ECG reading?
P wave
S of the QRS complex
T wave
QRS complex
QRS complex
Ventricular systole means . . .
Ventricles are contracting
Ventricles are relaxing
Bundle of His is relaying impulses
Purkinge fibers are relaxing
Ventricles are contracting
An ECG is . . .
electrical conduction graph
electrocardiogram
electrocoronarygraph
electroencepahlogram
Electrocardiogram
The medical term for ‘flatline’ is
asystole
ischemia
repolarization
fibrillation
Asystole
How many electrodes are placed for a 12 lead EKG?
12
10
6
9
10
A diagnostic test that requires the patient to exercise while the heart is being monitored is
conduction test
event test
holter monitor
stress test
Stress test
A small portable device that continually monitors EKG rhythms is
Holter monitor
event monitor
pacemaker
defibrillator
Holter monitor
Electrodes on the arms and legs should be placed
doesn’t matter
one high, one low
at approximately the same level
1 inch apart
At approximately the same level
Nodes locations, bundle of his, right and left bundle branch, purkinje fibers
Ok
Sinus rhythm charts review
What is the name for any interference on the ECG?
somatic tremor
fossil
wandering baseline
artifact
Artifact
Which of the following is most likely to be the cause of somatic tremor artifact?
Electrical issues
Electrodes falling off
Hairy chest
Patient movement
Patient movement
The surge of electricity at the QRS complex is due to…
atrial repolarization
ventricular repolarization
atrial depolarization
ventricular depolarization
Ventricular depolarization
The T wave on an EKG is caused by…
atrial contraction
atrial repolarization
ventricular contraction
ventricular repolarization
Ventricular repolarization
Why is V-tach a deadly rhythm?
Because the ventricles are not able to fill adequately with blood
Because the ventricles are not contracting properly
Because the ventricles are quivering
Because the atria are not contracting properly
Because the ventricles are not able to fill adequately with blood
Which part of the electrical conduction of the heart is directly responsible for ventricular contraction?
Perkinje Fibers
SA node
AV node
Bundle of His
Perkinje fibers
The _____ node is the pacemaker of the heart and the _____ node is the backup pacemaker of the heart.
SA and AV
How long are holter monitors worn?
30 days
2 weeks
60 days
24-48 hours
24-48 hours
Starting at the superior and inferior vena cava, select the correct order of blood flow through the heart.
Right atrium, triscupid valve, right ventricle, pulmonary valve, pulmonary arteries, pulmonary veins, left atrium, bicuspid valve, left ventricle, aortic valve, aorta
