Ddx Flashcards
Voiding difficulty ddx
Bladder outlet obstruction
Dec detrusor muscle contraction
Anatomic BOO
M
F
M- large prostate
Urethral stricture
F- Urethral stricture is rare
Iatrogenic (urehtra made too tight during surgery 4 SI)
Male Urethral stricture
Cause
Treat
Congenital
Trauma- surgery/instru
Gonno
Surgical
Functional BOO
A1a agonists (pseudo)
DESD- es and detrusor contracts
lesion between pons/spinal cord
Dec detrusor contraction Neurogenic causes
Lesion of sacrum/Cauda equine- lesion of cord or L spine/nerves
Lesion of pelvic splanchnic nerves- PS to bladder
Radical pelvic surgery
Dec detrusor contraction causes myogenic
DM
Chronic overdistension
Antimuscarinic drugs (oxybutinin)
Flank pain ddx
Renal colic
Steady pain
Kidney pain not Renal colic
Infection
R tumor
trauma
Renal infarction- with pain
Flank pain beyond kidney
MSK
Zoster with pain b4 rash
Ab do- aortic anuerysm, pancreatitis, gallstones, appendicitis
Urge incontinence Ddx
Idio
Neuro lesion above sacrum
Bladder iritation (urine infection, bladder/ureter stone, bladder tumor)
Differentiate Urge incontinence
UA
No neuro symptoms- not lesion
normal- UTI/stone/tumor not likely
Abnormal- send culture
Hematuria sources
K
Ureter
B
Urethra
Hematuria from kidney
Ureter
Stone
Tumor- RCC, UC, angio
Pyelonephritis
Glomerular do
Stone, tumor (UC)
Hematuria from bladder
Stone, tumor (UC), cystitis
Hematuria main point
MC
Painless visible hematuria
K/B infection
K/U stone
Think cancer