Journal

Evidence-based writing on bladder diaries, lower urinary tract symptoms, and pelvic health. Written for clinicians who want to understand what the data actually says.

A nursing care plan works like a score: a precise sequence followed and checked step by step, annotated for the patient in front of you

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Urinary Retention Nursing Care Plan: NANDA & Interventions

An evidence-cited urinary retention nursing care plan: assessment, NANDA diagnoses, measurable outcomes, interventions with cited rationales, and evaluation.

Dr. Di Wu, MD, PTJun 17, 2026 · 14 min read

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A canal lock holds the water until the gate opens on a deliberate decision, the way a trial of void holds the catheter until the bladder can empty on its own

Bladder diary

Trial of Void Protocol After Surgery

A trial of void protocol is a catheter-removal decision with a pass number, not a checklist: thresholds, methods, and the surgery-by-surgery retention map.

Dr. Di Wu, MD, PTJun 17, 2026 · 18 min read

Post-micturition dribble is the last drop left in the urethra after the bladder has already emptied

Bladder diary

Post-Micturition Dribbling vs Overflow: The Differential

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, PTJun 15, 2026 · 11 min read

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, PTJun 15, 2026 · 12 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: The Pressure-Flow Diagnosis

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, PTJun 10, 2026 · 13 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: Workup, Diary and Cough Test

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, PTJun 9, 2026 · 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, PTJun 8, 2026 · 27 min read

A steady stream shows the flow but not the force behind it, the core ambiguity in uroflowmetry interpretation

Bladder diary

Uroflowmetry Interpretation: Reading Qmax and Flow Curves

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, PTJun 6, 2026 · 17 min read