Renal Colic Flashcards
What is renal colic?
Pain associated with blockage of urinary tract with stones
What is the composition of the stones?
Calcium oxalate
Calcium phosphate
Pathophysiology of renal stones
Over-saturation of urine
Where are renal stones most likely to impact?
Pelviureteric junction (PUJ)
Crossing pelvic brim - where iliac vessels travel under ureter
Vesicoureteric junction (VUJ)
Clinical features of renal colic
Sudden onset loin to groin pain
Unable to sit still
Dipstick haematuria
Investigations for suspected renal colic
Bloods
- FBCs
- U&Es
- CRP
Urine dipstick
- haematuria
Non-contrast CT KUB
When do you admit a patient with renal colic?
Raised WCC/creatinine
Temperature
Uncontrollable pain
Initial management of renal colic
Fluids
Analgesia
Antibiotics if indicated
Wait for stone to pass
Definitive management of renal colic
Removal of stone
Extracorporeal shock wave lithotripsy
- sonic waves break up stone
Percutaeneous nephrolithotomy
- large renal stones
- nephroscope breaks up stones
