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Questions and Answers
Which of the following factors can result in alterations in the QRS complex and/or T wave in ECG?
Which of the following factors can result in alterations in the QRS complex and/or T wave in ECG?
- AV node and bundle branch blocks
- Myocardial ischemia and infarction
- Metabolic factors and drug effects
- Cardiac enlargement and hypertrophy (correct)
Which condition may show similar ST segment, T wave and Q wave changes, complicating the diagnosis of ischemia or infarction?
Which condition may show similar ST segment, T wave and Q wave changes, complicating the diagnosis of ischemia or infarction?
- Myocardial ischemia and infarction (correct)
- Metabolic factors and drug effects
- Cardiac enlargement and hypertrophy
- AV node and bundle branch blocks
Which electrolyte imbalance predominantly affects repolarization (T wave changes) in ECG?
Which electrolyte imbalance predominantly affects repolarization (T wave changes) in ECG?
- Hypercalcemia
- Hypocalcemia
- Hypokalemia
- Hyperkalemia (correct)
Which pharmacologic agents can affect various aspects of the myocardial action potential resulting in changes in the ECG, particularly the QT interval?
Which pharmacologic agents can affect various aspects of the myocardial action potential resulting in changes in the ECG, particularly the QT interval?
Which type of infarcts may be classified based on altered Q waves?
Which type of infarcts may be classified based on altered Q waves?
Which of the following conditions can result in distinctive changes in the ECG pattern, with altered P wave abnormalities in atria and alterations in the QRS complex and/or T wave in ventricular abnormalities?
Which of the following conditions can result in distinctive changes in the ECG pattern, with altered P wave abnormalities in atria and alterations in the QRS complex and/or T wave in ventricular abnormalities?
Which electrolyte imbalance predominantly affects repolarization (T wave changes) in ECG?
Which electrolyte imbalance predominantly affects repolarization (T wave changes) in ECG?
Which type of infarcts may be classified based on altered Q waves?
Which type of infarcts may be classified based on altered Q waves?
Which of the following can affect various aspects of the myocardial action potential resulting in changes in the ECG, particularly the QT interval?
Which of the following can affect various aspects of the myocardial action potential resulting in changes in the ECG, particularly the QT interval?
Which of the following intrinsic impairments of conduction may result in delay in QRS and affected T wave?
Which of the following intrinsic impairments of conduction may result in delay in QRS and affected T wave?
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