48 Questions
Which wave on the ECG represents ventricular repolarization?
T wave
What does the presence of pathological Q waves in leads V1-V6 indicate?
Acute anterolateral wall myocardial infarction
What is the normal duration of the P wave on an ECG?
Less than 0.12 seconds
Which wave on the ECG represents atrial depolarization?
P wave
What does the ST segment on an ECG represent?
Pause in electrical activity before repolarization
What does a tall R wave in lead V1 and a deep S wave in lead V6 indicate on an ECG?
Right ventricular hypertrophy
Which interval on an ECG represents the total time for ventricular depolarization and repolarization?
QT interval
What does a tall P wave in lead II indicate on an ECG?
Left atrial hypertrophy
What does an R:S ratio greater than 1 in lead V1 indicate on an ECG?
Right ventricular hypertrophy
What does the presence of ST segment elevation in leads III and aVF indicate on an ECG?
Acute inferior myocardial infarction
What does a normal P wave duration and amplitude indicate on an ECG?
Normal atrial depolarization
What does a R:S ratio greater than 1 in lead V1 indicate on an ECG?
Right ventricular hypertrophy
Which lead should be used to analyze the rhythm strip on a 12 Lead ECG?
Lead II
What does a deep S wave in lead V6 indicate on an ECG?
Right ventricular hypertrophy
What does the presence of ST-T inversion in lead V1 indicate on an ECG?
Right ventricular infarction
What does the presence of U waves on an ECG indicate?
Pause in electrical activity
What does a normal QRS complex width indicate on an ECG?
Ventricular depolarization
What does the presence of ST segment depression indicate on an ECG?
Ischemic heart disease
What does the presence of P wave preceding all R waves indicate on an ECG?
Normal sinus rhythm
What does the presence of ST segment depression indicate on an ECG?
Myocardial infarction
What does a tall R wave in lead V1 and a deep S wave in lead V6 indicate on an ECG?
Right ventricular hypertrophy
Which wave on the ECG represents atrial depolarization?
P wave
What does a R:S ratio greater than 1 in lead V1 indicate on an ECG?
Right ventricular hypertrophy
What does the presence of U waves on an ECG indicate?
Ventricular repolarization
Which wave on the ECG represents ventricular depolarization?
QRS complex
What does the presence of ST segment elevation in leads III and aVF indicate on an ECG?
Inferior wall MI
What does a tall P wave in lead II indicate on an ECG?
LA hypertrophy
Which wave on the ECG represents ventricular repolarization?
T wave
What does a normal QRS complex width indicate on an ECG?
Ventricular depolarization
What does the presence of ST segment elevation in leads I and aVL indicate on an ECG?
Anterior myocardial infarction
What does the presence of ST segment elevation in leads I and aVL indicate on an ECG?
Anterolateral wall myocardial infarction
What does a tall R wave in lead V1 and a deep S wave in lead V6 indicate on an ECG?
Right ventricular hypertrophy
What does a normal P wave duration and amplitude indicate on an ECG?
Normal atrial depolarization
Which wave on the ECG represents ventricular depolarization?
QRS complex
What does the presence of U waves on an ECG indicate?
Abnormal electrolyte levels
What does the presence of ST segment elevation in leads I and aVL indicate on an ECG?
Acute anterolateral wall myocardial infarction
Which wave on the ECG represents atrial depolarization?
P wave
What does a tall P wave in lead II indicate on an ECG?
Left atrial hypertrophy
What does the presence of ST segment depression indicate on an ECG?
Ischemia
Which wave on the ECG represents atrial depolarization?
P wave
What does a tall P wave in lead II indicate on an ECG?
Left atrial hypertrophy
What does the presence of ST-T inversion in lead V1 indicate on an ECG?
Right ventricular hypertrophy
Which wave on the ECG represents ventricular repolarization?
T wave
What does the presence of ST segment depression indicate on an ECG?
Myocardial infarction
What does a tall R wave in lead V1 and a deep S wave in lead V6 indicate on an ECG?
RVH
Which wave on the ECG represents atrial depolarization?
P wave
What does the presence of ST segment elevation in leads II and aVF indicate on an ECG?
Acute anterolateral wall MI
What does a tall R wave in lead V1 and a deep S wave in lead V6 indicate on an ECG?
Right ventricular hypertrophy
Test your knowledge of ECG chest leads, waves, and intervals with this informative quiz. Learn about the different cardiac events and their corresponding ECG patterns. Challenge yourself to identify the P wave, QRS complex, T wave, and more.
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