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Questions and Answers
What is the appropriate method to determine heart rate on EKG?
What is the appropriate method to determine heart rate on EKG?
- Count the number of QRS complexes in a 6-second strip and multiply by 10
- Divide 150 by the number of small squares between QRS complexes
- Calculate it based on the P wave morphology
- Divide 300 by the number of boxes between two R waves (correct)
Which EKG lead represents the lateral wall of the heart?
Which EKG lead represents the lateral wall of the heart?
- Lead II
- Lead I and AVL (correct)
- Lead V1-V3
- Lead III and AVF
In EKG interpretation, what does an upright QRS complex in lead AVF indicate?
In EKG interpretation, what does an upright QRS complex in lead AVF indicate?
- Anterior wall ischemia
- Inferior wall ischemia
- Septal wall infarction
- Normal axis (correct)
What characteristic differentiates ischemic T-wave inversions from infarction on an EKG?
What characteristic differentiates ischemic T-wave inversions from infarction on an EKG?
What aspect of chest pain history is crucial to differentiate syncope from other cardiac conditions?
What aspect of chest pain history is crucial to differentiate syncope from other cardiac conditions?
What is the main reason behind ordering a Cardiac Enzyme panel for a patient suspected of cardiac chest pain?
What is the main reason behind ordering a Cardiac Enzyme panel for a patient suspected of cardiac chest pain?
What is the typical treatment approach for a patient diagnosed with a submassive pulmonary embolism?
What is the typical treatment approach for a patient diagnosed with a submassive pulmonary embolism?
In the context of chest pain evaluation, what does a widened mediastinum on chest X-ray suggest?
In the context of chest pain evaluation, what does a widened mediastinum on chest X-ray suggest?
Which medication is indicated for the initial management of a patient diagnosed with an acute pulmonary embolism?
Which medication is indicated for the initial management of a patient diagnosed with an acute pulmonary embolism?
What is the primary consideration when deciding whether to proceed with surgery in a patient presenting with chest pain in the last 4 weeks?
What is the primary consideration when deciding whether to proceed with surgery in a patient presenting with chest pain in the last 4 weeks?
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