Master the 12-Lead Layout

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Questions and Answers

Which term is commonly used interchangeably with EKG?

Electrocardiographic
Electrocardiography
Electrocardiograph
Electrocardiogram (correct)

What does the abbreviation ACS stand for in the context of 12 Lead ECGs?

Acute Coronary Syndrome (correct)
Arrhythmia Control System
Atrial Contractile Strength
Advanced Cardiac System

Apart from Acute Coronary Syndrome, what other conditions can a 12 Lead ECG suggest?

Pulmonary embolism
Increased ICP
Pericarditis
All of the above (correct)

What is the purpose of AI assisted interpretation on most 12 Lead ECG machines?

To reduce the workload of healthcare professionals (B) Signup and view all the answers

Why should one not solely rely on AI interpretation of 12 Lead ECGs?

AI interpretation lacks clinical judgment (A) Signup and view all the answers

What does the term 'rhythm' refer to in the context of 12 Lead ECGs?

Electrical conduction pattern (A) Signup and view all the answers

Why are multiple 12 Lead ECGs taken in some cases?

All of the above (D) Signup and view all the answers

Which of the following is the correct frequency response range for a 3-lead ECG monitor?

1 Hz to 30 Hz (C) Signup and view all the answers

Which leads are used to determine if the V leads are properly placed?

V1 and V2 (A) Signup and view all the answers

What is the correct electrode placement for a normal heart?

LA and RL reversed (B) Signup and view all the answers

Which leads are not included in the standard printout of a 12-lead ECG?

V4R and V7-V9 (A) Signup and view all the answers

What is the correct paper speed for an ECG?

1 mm = 0.04 s (D) Signup and view all the answers

What is the most common electrode placement error that can result in false positives for ACS?

V1 and V2 placed too high (A) Signup and view all the answers

Which leads should have QRS complexes in opposite directions if LA and RA are reversed?

Lead I and V6 (C) Signup and view all the answers

Which wave in a normal R wave progression is typically the largest?

V5 (D) Signup and view all the answers

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 (A) Signup and view all the answers

Which lead in the ECG image shows poor R wave progression?

Lead V4R (B) Signup and view all the answers

What is the measurement of the R wave in Lead V4R in the ECG image?

15 mm (D) Signup and view all the answers

Which of the following is NOT a cause of poor R wave progression?

All R waves the same size (B) Signup and view all the answers

What is the characteristic pattern of R wave progression in a normal ECG?

R waves grow and reduce in size in the proper pattern (A) Signup and view all the answers

What is the measurement of the R wave in Lead V5 in the ECG image?

13 mm (C) Signup and view all the answers

What is the measurement of the R wave in Lead V4 in the ECG image?

11 mm (C) Signup and view all the answers

What is the measurement of the R wave in Lead V6 in the ECG image?

8 mm (C) Signup and view all the answers

Which of the following is NOT a reason for performing a 12 Lead ECG?

To break up blood clots using drugs (A) Signup and view all the answers

Who should be highly suspicious of AMI (Acute Myocardial Infarction)?

All of the above (D) Signup and view all the answers

Why should repeated 12 Lead ECGs be performed at regular intervals if ACS is clinically suspected?

To observe changes in the ECG over time (D) Signup and view all the answers

Which leads make up the frontal plane in a 12 Lead ECG?

V1, V2, V3, V4, V5, V6 (C) Signup and view all the answers

Which leads are considered the limb leads in a 12 Lead ECG?

I, II, III, aVR, aVL, aVF (A) Signup and view all the answers

Which leads are considered the precordial leads in a 12 Lead ECG?

V1, V2, V3, V4, V5, V6 (C) Signup and view all the answers

Which leads are used to visualize the right side of the heart in a 12 Lead ECG?

VR1, VR2, VR3, VR4, VR5, VR6 (B) Signup and view all the answers

Flashcards

Electrocardiogram (EKG)

A recording of the heart's electrical activity.

Acute Coronary Syndrome (ACS)

A set of conditions caused by sudden reduced blood flow to the heart.