ONE STRIP. THREE CALLS.

Read the rhythm.

Build recognition, one tracing at a time.

—

ACCURACY

0 ↗

CASE STREAK

0

COMPLETED

OVERALL MASTERY 0 / 32 CLEARED · ACCURACY —

A rhythm counts as cleared once you call it correctly twice in a row. Progress saves on this device and syncs to your account when you're signed in.

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

—

INTERVAL

—

SECONDS

—

SMALL BOXES (1 mm)

—

LARGE BOXES (5 mm)

—

HEART RATE IF THIS IS R–R

MEASUREMENT — CALIPERSSelect a row, stage the legs on the strip, then Apply. Nothing is auto-measured — the values are yours.

—

STAGED INTERVAL

—

SECONDS

—

SMALL BOXES (1 MM)

—

RATE IF THIS IS R–R

Measurement	Value	Unit
PR	—	sec
QRS	—	sec
QT	—	sec
R-R	—	sec
Rate	—	/min

Applied values are kept only while you analyse this strip — loading a new strip clears the table.

STRIP MEASUREMENTS

HR ··

—

PR ··

—

QRS ··

—

QT ··

—

Your interpretation

0 of 3 selected

01Underlying rhythm or conduction pattern

02Isolated PVCs?

03AV block?

Choose one answer in each section.

THIS SESSION

Progress

Saved on this device and, when you're signed in, synced to your account — pick up where you left off on any device.

—

ACCURACY

0

BEST STREAK

0

CASES COMPLETED

Rhythms to revisit

Nothing missed yet — your misses will collect here.

Account settings

Signed in as —

Discount code

Reset progress

Erases all ECG Lab progress on this account — on this device and in the cloud.

Delete account

Permanently deletes your DayoRN account, your username and your Lab progress. This cannot be undone.

RECOGNITION ONLY

Field guide

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

Rhythm	Rate	Clues