Drawing: Atrial Flutter Ratio Rendering Incorrectly

tanjera commented 3 years ago

Reproducible with atrial flutter @ 80bpm

tanjera commented 2 years ago

tanjera commented 2 years ago

Multiple problems noted:

Number of flutters unrealistic along HR spectrum (7 flutters @ 40bpm, 1.5?! flutters at 120bpm)
Incomplete flutters: this could be slightly realistic with slight AV conduction delay, but see phase problem below.
Flutters and QRS complexes out of phase synchronicity: this would model an unrealistic wandering AV conduction delay (seen as varying PQ intervals each beat)

Modeling targets:

3 to 5 flutters per beat, with 4 flutters @ 60bpm. Okay if P waves propagate faster/shorter with tachycardia.
Phase synchronicity: no wandering AV conduction (PQ intervals consistent!)

tanjera commented 2 years ago

Attempt #1: Modeled flutters and QRS complexes in single draw call Result:

Completely fixed all the problems in this issue
Completely broke synchronicity with Patient modeling: ventricular waveforms didn't line up with pulsatile waveforms (ABP)

Not acceptable. Will try something else...

tanjera commented 2 years ago

Fixed in 1ec5cfde3315436e02bb2c6c76db5259d978bdb5

tanjera / infirmary-integrated