30 Which of the following accurately describes an ECG tracin

30. Which of the following accurately describes an ECG tracing for a patient who presents with an AV node block? (Circle one) a. absent P waves b. absent QRS complexes c. disconnected P waves and QRS complexes d. inverted T waves

Solution

Option c is the correct answer. AV node block is also known as heart block condition. In this condition, PR interval is variable because in this condition no apparent relation is found between P wave and QRS complexes.