30 Questions
Which term is commonly used interchangeably with EKG?
Electrocardiogram
What does the abbreviation ACS stand for in the context of 12 Lead ECGs?
Acute Coronary Syndrome
Apart from Acute Coronary Syndrome, what other conditions can a 12 Lead ECG suggest?
All of the above
What is the purpose of AI assisted interpretation on most 12 Lead ECG machines?
To reduce the workload of healthcare professionals
Why should one not solely rely on AI interpretation of 12 Lead ECGs?
AI interpretation lacks clinical judgment
What does the term 'rhythm' refer to in the context of 12 Lead ECGs?
Electrical conduction pattern
Why are multiple 12 Lead ECGs taken in some cases?
All of the above
Which of the following is the correct frequency response range for a 3-lead ECG monitor?
1 Hz to 30 Hz
Which leads are used to determine if the V leads are properly placed?
V1 and V2
What is the correct electrode placement for a normal heart?
LA and RL reversed
Which leads are not included in the standard printout of a 12-lead ECG?
V4R and V7-V9
What is the correct paper speed for an ECG?
1 mm = 0.04 s
What is the most common electrode placement error that can result in false positives for ACS?
V1 and V2 placed too high
Which leads should have QRS complexes in opposite directions if LA and RA are reversed?
Lead I and V6
Which wave in a normal R wave progression is typically the largest?
V5
What does it mean when there is an 'out-of-order' progression in R waves?
The R waves are not growing and reducing in size in the proper pattern
Which lead in the ECG image shows poor R wave progression?
Lead V4R
What is the measurement of the R wave in Lead V4R in the ECG image?
15 mm
Which of the following is NOT a cause of poor R wave progression?
All R waves the same size
What is the characteristic pattern of R wave progression in a normal ECG?
R waves grow and reduce in size in the proper pattern
What is the measurement of the R wave in Lead V5 in the ECG image?
13 mm
What is the measurement of the R wave in Lead V4 in the ECG image?
11 mm
What is the measurement of the R wave in Lead V6 in the ECG image?
8 mm
Which of the following is NOT a reason for performing a 12 Lead ECG?
To break up blood clots using drugs
Who should be highly suspicious of AMI (Acute Myocardial Infarction)?
All of the above
Why should repeated 12 Lead ECGs be performed at regular intervals if ACS is clinically suspected?
To observe changes in the ECG over time
Which leads make up the frontal plane in a 12 Lead ECG?
V1, V2, V3, V4, V5, V6
Which leads are considered the limb leads in a 12 Lead ECG?
I, II, III, aVR, aVL, aVF
Which leads are considered the precordial leads in a 12 Lead ECG?
V1, V2, V3, V4, V5, V6
Which leads are used to visualize the right side of the heart in a 12 Lead ECG?
VR1, VR2, VR3, VR4, VR5, VR6
Test your knowledge of 12 lead layout and memorization with this quiz. Learn about the specific leads and their corresponding rhythms, as well as which leads are not included in a standard printout.
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