Renal Colic Flashcards
Common Risk factors for Renal colic?
Male, white, family history.
Anatomical abnormalities associated with renal colic?
Medullary sponge kidney
ureteropelvic junction
Why is intestinal surgery/diseases considered a risk factor?
-It affects the re-absorption of some electrolytes and minerals.
Stone formation steps
- Crystallization
- Nucleation
- Aggregation
Stone inhibitors block ____
Crystallization
-The most common cause of recurrence
Stone inhibitors deficiency.
Stone inhibitors include
Citrate
Magnesium
Pyrophosphate
Glycosaminogylcans
Stone promoters include
Oxalate Urate Calcium Low urine pH Protein Matrix
Most common type of stoness?
Diamonds.
amz7 calcium …
Most common calcium stones?
. Calcium Oxalate Stones
Which type of stones is associated with gout?
Uric Acid Stones
Which stone patients end up with renal failure?
Cystine Stones
(T/F): All patients with Ca-Oxalate stones have hypercalcemia.
False. HypercalciUREA
Both Mg and ___ has to be LOW in stones to form stones
citrate
Which type os stones is difficult to treat?
Monohydarte
(dumbbell crystals)
“dumbbells made them strong!!!)
Dihydrate form ___ crystals
Envelope
Ca Phosphate is associated with _____
type 1 RTA (Renal tubular acidosis)
Ca Phosphate is common among
pregnancy
women
renal disease
pH of urine with Ca Phosphate ?
> 5.5
Ca PHosphate crystals?
AmorPHous crystals
Notice the PH
Stone that is large and causes urine to become alkaline (>7.2)?
Struvite Stones
treatment of Struvite Stones
Surgery + antibiotics
Struvite crystals?
Cofflin-lid crystals.
What causes Struvite?
urease-producing bacteria
urease-producing bacteria ex
Proteus (most com)
Klebsiella
Most common radiolucent stone
Uric acid stones
Treatment of Uric acid stones?
dissolve:
- inc fluid
- Citrate therapy
- AlloPURinol (makes urine PURE from uric acid)
Stones are detected by
KUB CT (non-contrast)
Uric acid crystals
pleomorphic (needle shape or rod)
Cystine crystals?
Hexagon crystals
When does patient face storage luts?
if it’s a bladder/distal ureter stone.
Why do people with renal stones experience pain?
Ureters are obstructed –> Sudden expansion of renal capsule (T11-L2) –> PAIN
if it’s a urethral stone the patient faces ___ symptoms
obstructive.
Ultrasound diagnose stones in
peds and pregos
Acute management include?
pain management, hydration, antibiotic, urinalysis
When do we admit the patients?
if pain in uncontrolled
anuria
obstructions
acute intervention is in ______ and what do they do?
Obstructed and infected renal unit, drainage.
treatment of stones include (meds)
Thiazide
Potassium Citrate
Allopurinol
treatment of stones include (lifestyle)
- Reduced red meat intake, OXALATE
- reduce Na intake, inc water
- V B6, Ca
- Limit V. C
- Avoid hyperglycemia
Most common surgery is
Ureteroscopy
What’s done if it’s a LARGE stone? (>1.5cm)
Percuttaneous nephrolithotomy