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Cardiac Axis Quiz

Cardiac Axis Quiz - Free Positive Dominant Test - FreudlyTake a free cardiac axis quiz to test your knowledge. Quick, no sign-up needed. Start now!en
Understand frontal plane QRS axis interpretation in about 10 minutes. Free 16 question quiz with no sign up, built to sharpen ECG skills and avoid common pitfalls.
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Questions: 1610 minutes
08:30
July 22, 2026
July 22, 2026
Material has been updated
July 22, 2026
Material has been published
3,591 view
324 completions
306 likes
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How the Scales are Structured

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
06: Foundations to review | 712: Developing knowledge | 1316: 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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See How You Compare

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)
Cardiac Axis Knowledge (CAK)
Average
6
Normal range
3.78.2
min.
0
max.
16
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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SAMPLE QUESTIONS

Example Questions From the Test

    • Normal-axis quadrant
    • Right axis deviation
    • Left axis deviation
    • Extreme axis deviation
    • A predominantly negative QRS complex
    • A predominantly positive QRS complex
    • An absent QRS complex
    • A QRS complex determined only by the T-wave direction
    • A horizontal rightward axis near 0°
    • An inferior vertical axis near +90°
    • A mildly superior-left axis near −30°
    • A superior vertical axis near −90°
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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