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Fluid imbalance

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

Each looks identical in the carton until you grade them one by one, the discipline urinary urgency demands before treatment
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Urinary Urgency: Phenotype Before You Prescribe

Urinary urgency masquerades as overactive bladder. Phenotype it on the bladder diary, excluding overflow and fluid imbalance, before reaching for a drug.

Dr. Di Wu, MD, PT · 25 min read
A steady stream shows the flow but not the force behind it, the core ambiguity in uroflowmetry interpretation
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Uroflowmetry Interpretation in Context

Uroflowmetry interpretation for clinicians: read flow curve, Qmax, and voided volume against the bladder diary and PVR, because a low Qmax is ambiguous.

Dr. Di Wu, MD, PT · 17 min read
A handwritten inventory ledger: the same audit-defensible classification work that ICD-10 codes for urinary urgency perform
Bladder diary

ICD-10 Codes for Urinary Urgency: LUTS by 4Is Bucket

ICD-10 codes for urinary urgency: R39.15 for the symptom, N32.81 for OAB syndrome, N39.41 with leakage. The LUTS code menu organized by IPC 4Is buckets.

Dr. Di Wu, MD, PT · 24 min read
A compass orients unfamiliar terrain the way the diary orients the differential diagnosis of polyuria
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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, PT · 18 min read
Hourglass on a wooden desk: NPi captures what fraction of a day's urine arrived overnight, the same fraction shown
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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, PT · 15 min read