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Interpretation

Articles in the Bladder Diaries journal tagged Interpretation, newest first.

A bladder scanner, like any precision instrument, is only as trustworthy as the technique that reads it
Bladder diary

How to Use a Bladder Scanner

A bladder scanner returns a number with false confidence: a late, off-midline, or wrong-preset scan manufactures a residual that derails the voiding workup.

Dr. Di Wu, MD, PT · 12 min read
Post-micturition dribble is the last drop left in the urethra after the bladder has already emptied
Bladder diary

Post-Micturition Dribbling: Confirm First

Post-micturition dribble is usually a benign urethral leak, but the same complaint can be overflow from a bladder that never emptied. Here is the differential.

Dr. Di Wu, MD, PT · 9 min read
The bladder outlet behaves like a tap: obstruction is resistance at the valve, not weakness in the pump behind it
Bladder diary

Bladder Outlet Obstruction: Prove It

Bladder outlet obstruction is the diagnosis a flow rate cannot make: low flow means a blocked outlet or a weak detrusor, and only pressure-flow separates them.

Dr. Di Wu, MD, PT · 12 min read
The continence mechanism holds against a cough the way a mooring rope holds a boat against the current
Bladder diary

Stress Urinary Incontinence: The Workup

Stress urinary incontinence is the leak you can diagnose from the bladder diary and a cough test, before urodynamics: a clinician's workup, causes to treatment.

Dr. Di Wu, MD, PT · 15 min read
Each looks identical in the carton until you grade them one by one, the discipline urinary urgency demands before treatment
Bladder diary

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
Bladder diary

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
An open spiral notebook: the recording artifact at the heart of bladder diary interpretation
Bladder diary

Bladder Diary Interpretation: The IPC 4Is Workflow

A 5-step bladder diary interpretation procedure for clinicians: completeness check, four core metrics, IPC 4Is mapping, symptom cross-check, decide.

Dr. Di Wu, MD, PT · 20 min read