15.3.3 - Electrocardiograph (ECG)
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Practice Questions
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Define Electrocardiograph (ECG).
💡 Hint: Think about what the machine measures in the heart.
What does the P-wave represent?
💡 Hint: Recall what happens to the atrial muscles during the heart cycle.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the P-wave indicate in an ECG?
💡 Hint: Think about the event happening in the atria.
True or False: The QRS complex shows atrial contraction.
💡 Hint: Remember which chambers are active when this part of the ECG occurs.
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Challenge Problems
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A patient presents to the emergency department with chest pain. Their ECG shows a prolonged QRS complex. What could this indicate?
💡 Hint: Think about what happens when conduction is impaired.
You observe an athlete’s ECG that shows very rapid R-R intervals. What might this indicate about their cardiac fitness?
💡 Hint: Consider how athletes' bodies adapt specifically to fitness.
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