ECG Beat Conformity

physiological · 37 views
physiologicalperiodic

What It Is

Per-beat correlation against a record-specific normal-beat template, MIT-BIH Long-Term ECG (7 records, 14-22 h each, 128 Hz). One scalar per heartbeat: normal beats saturate near 1.0; ectopic beats (V, A, F, S) drop proportionally to morphology deviation and recover on the next normal beat. Stays-at-max + episodic-downward-spike phenotype.

Interpretation

Standard analysis sees: heavy-tailed; left-skewed; high-complexity (noise-like); low-dimensional. The atlas additionally detects Attractor Reconstruction:lyap_entropy. It sits beside Zipf Distribution in the atlas (standard-bank rank 149) — a neighbor conventional features miss.

What standard analysis sees
tail heaviness0.90
asymmetry0.01
occupancy0.26
short-range corr0.42
long-range memory0.61
spectral colour0.59
periodicity0.35
complexity0.85
time-irreversibility0.69
volatility clustering0.36
multifractality0.76
dimensionality0.09
nonstationarity0.76
What the atlas adds
Attractor Reconstruction:lyap_entropy+3.1z
Kolmogorov-Sinai entropy production rate (sum of positive λ)
Atlas-extreme metrics the standard bank can’t predict for this source
Nonstationarity:change_quantiles_low+5.0zbank-miss 2.9σ
Piecewise-Linear:envelope_area+3.3zbank-miss 3.0σ

Composition

dtypefloat64
range[-0.9517, 0.9999]
unique values16384 / 16384
mean ± std0.875 ± 0.293

Render Gallery

Atlas Position

Nearest neighborDistance
Earthquake Magnitudes3.75cross-origin
Multiplicative Cascade3.85cross-origin
Zipf Distribution4.02cross-origin

Open in Atlas →

Which Geometries Light Up

Attractor ReconstructionAttractor Reconstruction:embedding_divergence_sumrank 4/3072.6029
Attractor ReconstructionAttractor Reconstruction:lyap_entropyrank 4/3073.7543
Catch24Catch24:DN_Meanrank 2/3070.9361
Hölder RegularityHölder Regularity:holder_stdrank 2/3071.9109
NonstationarityNonstationarity:change_quantiles_lowrank 2/3070.1666
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