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?

<p>To reduce the workload of healthcare professionals (B)</p> Signup and view all the answers

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

<p>AI interpretation lacks clinical judgment (A)</p> Signup and view all the answers

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

<p>Electrical conduction pattern (A)</p> Signup and view all the answers

Why are multiple 12 Lead ECGs taken in some cases?

<p>All of the above (D)</p> Signup and view all the answers

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

<p>1 Hz to 30 Hz (C)</p> Signup and view all the answers

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

<p>V1 and V2 (A)</p> Signup and view all the answers

What is the correct electrode placement for a normal heart?

<p>LA and RL reversed (B)</p> Signup and view all the answers

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

<p>V4R and V7-V9 (A)</p> Signup and view all the answers

What is the correct paper speed for an ECG?

<p>1 mm = 0.04 s (D)</p> Signup and view all the answers

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

<p>V1 and V2 placed too high (A)</p> Signup and view all the answers

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

<p>Lead I and V6 (C)</p> Signup and view all the answers

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

<p>V5 (D)</p> Signup and view all the answers

What does it mean when there is an 'out-of-order' progression in R waves?

<p>The R waves are not growing and reducing in size in the proper pattern (A)</p> Signup and view all the answers

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

<p>Lead V4R (B)</p> Signup and view all the answers

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

<p>15 mm (D)</p> Signup and view all the answers

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

<p>All R waves the same size (B)</p> Signup and view all the answers

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

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

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

<p>13 mm (C)</p> Signup and view all the answers

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

<p>11 mm (C)</p> Signup and view all the answers

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

<p>8 mm (C)</p> Signup and view all the answers

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

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

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

<p>All of the above (D)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

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

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