Tag

Fluid Imbalance

Articles in the Bladder Diaries journal tagged Fluid Imbalance, newest first.

A compass orients unfamiliar terrain the way the diary orients the differential diagnosis of polyuria

Differential Diagnosis of Polyuria: Diary-First Workup

Differential diagnosis of polyuria, anchored to the IPC 4Is framework: how a 3-day bladder diary triages four patterns before the endocrine workup runs.

Dr. Di Wu, MD, PTMay 10, 2026 · 21 min read

$Hourglass on a wooden desk: NPi captures what fraction of a day's urine arrived overnight, the same fraction shown$

Bladder diary

Nocturnal Polyuria Index (NPi): Calculation and Workup

Calculating the nocturnal polyuria index from a bladder diary: age-stratified thresholds, the 4Is gateway, and the PT-led workup before any drug.

Dr. Di Wu, MD, PTMay 9, 2026 · 17 min read