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Flashcards on Flashcards for remembering ECG cardiology
Click on the flashcard to see the answer
What does ECG stand for?
Electrocardiogram
What does an ECG measure?
Electrical activity of the heart
What are the waveforms present in a normal ECG?
P wave, QRS complex, T wave
What does the P wave represent in an ECG?
Atrial depolarization
What does the QRS complex represent in an ECG?
Ventricular depolarization
What does the T wave represent in an ECG?
Ventricular repolarization
What is the normal range for heart rate in an ECG?
60-100 beats per minute
What is sinus rhythm in an ECG?
Normal heart rhythm
What does ST segment elevation indicate in an ECG?
Myocardial infarction (heart attack)
What does a prolonged QT interval indicate in an ECG?
Increased risk of ventricular arrhythmias
What does a peaked T wave indicate in an ECG?
Hyperkalemia (high potassium levels)
What is the standard calibration for voltage in an ECG?
10 mm/mV
What is the paper speed for an ECG?
25 mm/second
What is the typical lead placement for a 12-lead ECG?
Bipolar limb leads, precordial leads
What is the purpose of an ECG machine?
To record and analyze the electrical activity of the heart
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Test Your Knowledge
What does ECG stand for?
Electrocardiography
Electrocardiogram
Electrocardiology
Electrocardiogrammatic
Check Answers
What are the waveforms present in a normal ECG?
QRS wave, T wave, U wave
P wave, QRS complex, T wave
R wave, T wave, S wave
P wave, Q wave, S wave
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What does the QRS complex represent in an ECG?
Atrial depolarization
Ventricular depolarization
Atrial repolarization
Ventricular repolarization
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What is the normal range for heart rate in an ECG?
60-100 beats per minute
90-120 beats per minute
40-60 beats per minute
120-160 beats per minute
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What does ST segment elevation indicate in an ECG?
Heart block
Myocardial infarction
Ventricular tachycardia
Heart failure
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What does a prolonged QT interval indicate in an ECG?
Hypokalemia
Hyperkalemia
Increased risk of ventricular arrhythmias
Atrial fibrillation
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What is the standard calibration for voltage in an ECG?
5 mm/mV
10 mm/mV
15 mm/mV
20 mm/mV
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What is the typical lead placement for a 12-lead ECG?
Unipolar limb leads
Bipolar limb leads, precordial leads
Einthoven's triangle
Augmented leads
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What is the purpose of an ECG machine?
To measure blood pressure
To record and analyze the electrical activity of the heart
To perform a cardiac catheterization
To administer medications
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What does the T wave represent in an ECG?
Atrial depolarization
Ventricular depolarization
Ventricular repolarization
Ventricular hypertrophy
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