Cardiac Axis Quiz

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Questions: 1610 minutes

Hi! My name is Freudly, i am an AI therapist, I will give you an interpretation of the test after you complete it.

08:30

July 22, 2026

July 22, 2026
Material has been updated

July 22, 2026
Material has been published

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5 completions

31 likes

Verified by Daniel Hall

Psychologist with 25 years of experience

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example score

7/16

Cardiac Axis Knowledge (CAK)

Measures knowledge of frontal-plane QRS axis interpretation concepts and common methods.

Foundations to review

Developing knowledge

Strong knowledge

0 – 6: Foundations to review | 7 – 12: Developing knowledge | 13 – 16: Strong knowledge

A score of 7 indicates developing knowledge, suggesting you understand key principles but may benefit from more practice with axis estimates and exceptions.

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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Medical and nursing students

41%OF USERS

Students use it to practice QRS axis basics and build confidence for exams and ECG lab sessions.

Paramedics and EMTs

34%OF USERS

Prehospital clinicians take it to sharpen quick axis recognition and avoid common interpretation mistakes under pressure.

Clinicians refreshing ECG skills

25%OF USERS

Residents, interns, and general clinicians use it as a fast refresher on limb-lead quadrants, perpendicular leads, and rough axis estimates.

BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.

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Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.

Cardiac Axis Knowledge (CAK)

Average

Normal range

3.7 — 8.2

min.

max.

Majority

This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.

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CLEAR ANSWERS TO COMMON QUESTIONS

Frequently Asked Questions

What does this quiz assess?

It assesses knowledge of frontal-plane QRS axis interpretation on ECG. Items cover positive and negative QRS dominance, limb-lead quadrants, perpendicular leads, axis estimates, and common pitfalls.

How many questions are included, and how long does it take?

It includes 16 questions. Estimated completion time is about 10 minutes.

Is any sign-up required, and is there a cost?

No sign-up is required. The quiz is free to use.

Does this quiz diagnose a heart condition or replace clinical ECG review?

No; it is an educational knowledge check only. It does not diagnose disease or replace ECG interpretation by a qualified clinician.

When should urgent medical care be sought?

Seek urgent medical help for chest pain, severe breathlessness, fainting, or other concerning symptoms. Do not delay care to complete or review this quiz.

WHAT THE TEST MEASURES

About This Assessment

Cardiac Axis Quiz - Symptoms and Signs

Test your knowledge of frontal-plane QRS axis interpretation with 16 questions on positive and negative QRS dominance, limb-lead quadrants, perpendicular leads, axis estimates, and common interpretation pitfalls. This free educational quiz requires no sign-up. It does not diagnose a heart condition or replace ECG review by a qualified clinician. Seek urgent medical help for chest pain, severe breathlessness, fainting, or other concerning symptoms.

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