INCOMPLETE Urinary System Flashcards
Components of the Urinary System
- Kidney (covered by renal capsule)
- Ureter
- Urinary Bladder
- Urethra
Bladder made of
muscle and lots of nerves
urge to urinate starts at…?ml
100ml
Length of Urethras
Men, 20cm
Women, 4 cm
Blood travels to the kidney via …
the renal artery
Layers of the Kidney
- cover: Renal Capsule
- Renal Cortex
- Renal Medulla
- Renal Pelvis
Functional unit of the kidney
- Nephron
- 1 mil per kidney
- 7-12 pyramids per kidney
Fx of Kidney
- filtration (blood, waste: urea, creatinin, amonia, uric acid)
- reabsorbtion
- elimination (H2O ,N waste)
- secretion (hormones: renin, erthropoetim)
- regulation: BP, E, H2O, hormone secretions
UTI
- bacterial invasion of UT
- 2nd most comm bacterial disease
- # 1 nosocomial infec
UTI: Cause
-Ecoli (most common)
Lower UTIs
- urethritis
- prostatitis (men)
- cystitis (inflam of bladder)
Upper UTIs
- pyelonephritis (whole kidney infected)
- Ureteritis
Upper UTI’s cause
un Rx UTIs
UTI: Risk Factors
- women (ESTR lo w age, lining width decreases) => risk of UTI
- aging
- sexual int
- urinary catheritization
- DM (lo immune)
- Neurogenic Bladder (bladder lose sensitivity d/t SCI, Post Sx, brain damage, foley catheter)
- Urine statis
- BPH (enlarged prostate)
- Diaphragm (w spermicide, kills good/bad bacteria)
UTI: Dx
- if bact count low but symptomatic, they treat
- if bact over 100,000, treat even if asymptomatic.
- UA
- Urine C&S
UTI: Ni
-drink fluids to unstick bac from bladder
Honeymoon Cystitis
- prolonged sex
- sex after long break
UTI: SS
- dysuria (burning)
- urgency
- frequency
- incontinence
- fever (not all)
- nocturia
- hematuria (men)
- flank pain
- foul smell/cloudy
UTI: SS in Elderly
- atypical SS
- Fever
- asthenia (fatigue)
- change in mental status (confusion, delirium)
- Parkinson (bladd not getting elec mess to void)
Clean Catch: steps
- wipe 4 x
- urinate 1/2 in toilet
- catch the rest
UTI: Rx
-abx
common MEDS
- cipro
- levaquin (usually for URI)
- macrodantin
- bactrim
- LO caffeine,LO ETOH
- acetameniphen, ibuprofen
- NO codeine (cause constipation)
UTI: Pt teaching, Abx
- finish course
- w food
- drink lots H2O
- probiotic, 2-5 hrs after (not together)
UTI: Prevention
- LO caffeine, LO ETOH
- clean: front to back
- shower, no bath
- drink lots fluid
- pee b4 and after sex
- douches, NEVER,kill good bact
pH of healthy Vagina
acidic
drink apple juice
cranberry juice
grape juice
Urethritis
Inflam of Urethra
Urethritis: Cause
- bacterial infection
- trauma (catheter, childbirth)
- chem iritants (bubble bath, bath salts)
- STD: gonorrhea (gonoccucal urethritis)
Urethritis: SS
- dysuria
- itching
- frequency
- urgency
- purulent discharge
Urethritis: Dx
- UA
- Urine Culture
Dx stage a GFR (glomerular filtration rate)
Urethritis: Rx
- remove cause
- abx
- urinary analgesic (pyridium)
Pyridium: Pt teaching
Urinary analgesic
uses: dysuria, urgency, freq
- 3x daily w food
- urine orange
- GI upset
SE:
hepato/renal toxic
do NOT use w renal insuff
? Normal Na
3.5 - 5.0
? Normal K
???
? Normal BUN
15-20?
? Normal Creatinin
0.7 - 1.3 mg/dL
pg 8 of Barrah notes
.