Appendicitis Flashcards
What is the percentage lifetime incidence of appendicitis?
6%
Causes of obstruction can be? (4)
Faecolith
Lymphoid hyperplasia
Tumour
Worms (ascaris lumbicoides, schisto)
How long does it take for central abdo pain to become localised in appendicitis?
12hrs approx
What is murphy’s triad?
describes the three symptoms that happen in appendicitis in this precise order:
1) Pain
2) Fever
3) Vomiting
What is Rovsing’s sign?
Pressing in the LIF = pain in RIF
What is the psoas sign?
Pain on extending hip
What are three surgical differentials for appendicitis?
Cholecystitis
Diverticulitis
Meckel’s diverticulitis
What are three gynae differentials for appendicitis?
Cyst torsion/rupture/haemorrhage
Salpingitis/PID
Ruptured ectopic
What are three medical differentials of appendicitis?
Mesenteric adenitis
UTI
Crohn’s
Dx of appendicitis is mainly clinical, but what bloods would you run?
FBC CRP Amylase G+S Clotting
For appendicitis type pain, what would you look for on urine dip
Ketones
White cells
B-HCG
What is the definitive investigation for appendicitis?
Diagnostic lap
Mx of appendicitis?
Fluids
Abx: cef 1.5g + met 500g IV TDS
Analgesia