ECG Quiz

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In clinical practice, you’ll be asked to interpret ECGs regularly. It’s really important to understand how to read an ECGΒ effectively.Β If you want to learn more about ECGs, you can check out ourΒ ECG guides.

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ECG quiz

It’s important to understand how to read an ECGΒ effectively.Β If you want to learn more about ECGs, you can check out ourΒ ECG guides.

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1 / 16

An ECG shows an absence of P waves and an irregular rhythm. Which is the most likely diagnosis?

2 / 16

Which view of the heart do leads V3 and V4 represent?

3 / 16

Which coronary artery is most likely to be affected in the context of ST elevation in leads V3 and V4?

4 / 16

A patient has ST-elevation in leads II, III and aVF. What is the most likely diagnosis?

5 / 16

Which view of the heart does lead II, III and aVF represent?

6 / 16

Which view of the heart do leads V1 and V2 represent?

7 / 16

Which of the following best describes the ECG leads shown?

8 / 16

What is the normal duration of a QRS complex?

9 / 16

A patient is noted to have an abnormally shortened PR interval on their ECG. Which is the most likely cause?

10 / 16

Which of the following is a common cause of right axis deviation?

11 / 16

What can ST-elevation indicate?

12 / 16

What would the heart rate be if three large squares were in an R-R interval?

13 / 16

What is the duration of a normal PR-interval?

14 / 16

Which view of the heart do leads I, aVL, V5 and V6 represent?

15 / 16

An ECG is performed and reveals a progressively increasing PR interval and dropping of QRS complexes at regular intervals. Which is the most likely diagnosis?

16 / 16

What is the most common cause of left axis deviation?

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