Podcast
Questions and Answers
How many leads are there in a standard electrocardiogram (ECG)?
How many leads are there in a standard electrocardiogram (ECG)?
- 12 leads (correct)
- 6 leads
- 4 leads
- 8 leads
What is the purpose of continuous electrocardiographic monitoring?
What is the purpose of continuous electrocardiographic monitoring?
- To evaluate the response of the cardiovascular system to stress
- To visualize the heart on a screen
- To diagnose dysrhythmias and conduction abnormalities (correct)
- To determine the size, contour, and position of the heart
Which imaging technique allows visualization of the heart on a screen?
Which imaging technique allows visualization of the heart on a screen?
- Fluoroscopy (correct)
- Continuous Electrocardiographic Monitoring
- Electrocardiography
- Chest X-ray
What is the purpose of a cardiac stress test?
What is the purpose of a cardiac stress test?
What is the purpose of echocardiography?
What is the purpose of echocardiography?
Which blood cholesterol level is considered normal?
Which blood cholesterol level is considered normal?
What is the normal range for HDL cholesterol in men?
What is the normal range for HDL cholesterol in men?
What is the normal range for LDL cholesterol?
What is the normal range for LDL cholesterol?
What is the normal range for triglycerides?
What is the normal range for triglycerides?
What is the normal range for prothrombin time (PT)?
What is the normal range for prothrombin time (PT)?
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Study Notes
Electrocardiogram (ECG)
- A standard electrocardiogram (ECG) has 12 leads.
Cardiac Monitoring
- Continuous electrocardiographic monitoring is used to observe a patient's heart rhythm and detect any abnormalities.
Cardiac Imaging
- Echocardiography is an imaging technique that allows visualization of the heart on a screen.
Cardiac Stress Test
- The purpose of a cardiac stress test is to evaluate the heart's function and blood flow under physical stress.
Echocardiography
- The purpose of echocardiography is to create images of the heart to diagnose and monitor heart conditions.
Cholesterol Levels
- A blood cholesterol level below 200 mg/dL is considered normal.
- For men, a normal range for HDL (high-density lipoprotein) cholesterol is 40-50 mg/dL.
- The normal range for LDL (low-density lipoprotein) cholesterol is below 100 mg/dL.
- The normal range for triglycerides is below 150 mg/dL.
Prothrombin Time (PT)
- The normal range for prothrombin time (PT) is 10-13 seconds.
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