ONE STRIP. THREE CALLS.

Read the rhythm.

Build recognition, one tracing at a time.

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ACCURACY

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CASE STREAK

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COMPLETED

SYNTHETIC LEAD II CASE 001 ✓ Checked | 10 s strip

25 mm/s · 10 mm/mV Small box = 40 ms

↔ Scroll the strip to inspect every beat

CALIPER MEASUREMENT — DRAG THE RED LEGS

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INTERVAL

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SECONDS

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SMALL BOXES (1 mm)

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LARGE BOXES (5 mm)

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HEART RATE IF THIS IS R–R

STRIP MEASUREMENTS

HR ··

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PR ··

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QRS ··

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QT ··

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Your interpretation

0 of 3 selected

01Underlying rhythm or conduction pattern

02Isolated PVCs?

03AV block?

Choose one answer in each section.

THIS SESSION

Progress

Scores live for this visit only — close the page and the slate is clean.

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ACCURACY

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BEST STREAK

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CASES COMPLETED

Rhythms to revisit

Nothing missed yet. When a case goes wrong, the rhythm lands here so you know exactly what to drill.

RECOGNITION ONLY

Field guide

The recognition clues for every rhythm in the library. Rate, regularity, P waves, intervals, relationship.

Rhythm	Rate	Clues