2444, ECG Grid Quiz

What is the size of each small square on the ECG grid?

• 1 mm x 1 mm

• 5 mm x 5 mm

• 0.5 mm x 0.5 mm

• 2 mm x 2 mm

What is the normal height range for a P wave in lead II?

• Up to 2.5 mm

• Up to 1.5 mm

• Up to 3.5 mm

• Up to 4.5 mm

What is the importance of voltage measurements in ECG?

• Diagnosing cardiac conditions

• Measuring blood pressure

• Determining heart rate

• Assessing lung function

What is the typical range of the QRS complex in limb leads?

• 1-10 mm

• 5-30 mm

• 10-20 mm

• 15-25 mm

What is the general measurement of the T wave in limb leads?

• < 5 mm

• < 10 mm

• < 15 mm

• < 20 mm

What might high QRS voltage suggest?

• Pericardial effusion

• COPD

• Ventricular hypertrophy

• Myocardial infarction

In which conditions might low voltages be seen?

• Ventricular hypertrophy

• Myocardial infarction

• Pericardial effusion or COPD

• Atrial fibrillation