Investigations Flashcards
RIF investigations FBC?
WCC may be raised in appendicitis, cholecystitis, basal pneumonia.
RIF investigations CRP?
inflammatory markers
RIF investigations VBG?
raised lactate and/or rasied metabolic acidosis are signs of ischaemia or sepsis
RIF investigations U&Es
useful for baseline electrolyte status.
RIF investigations serum amylase?
suggestive of pancreatitis.
RIF investigations glucose?
diabetic ketoacidosis can present with an acute abdomen
RIF investigations liver enzymes?
in context of raised amylase, provide prognostic info for pancreatitis, also useful for suspected biliary pathology.
RIF investigations urinalysis?
haematuria may result from infection. Glucose and ketones are indicative of diabetic ketoacidosis. Positive leacucyte esterase and nitrates is UTI. UTI and appendiceal irritation of the bladder casue proteinuria.
RIF investigations Abdominal USS?
useful for renal and biliary pathologies, can pick up appendicitis.
RIF investigations erect CXR?
if suspected perforated viscus, as air seen under diaphragm.
RIF investigations abdominal CT?
for determining extent of intra-abdominal collections and masses.
RIF acute appendicitis?
low grade central abdominal pain that gradually migrates to RIF over 12 hrs and becomes more intense.
RIF mesenteric adenitis?
follows upper respiratory tract infection or sore throat, common in children <15. The pain is often more diffuse than appendicitis, and signs of peritonitis are absent.
RIF meckels diverticulitis?
classically indistinguishable from appendicitis
RIF constipation?
wouldn’t cause a migration of pain to RIF, never results in fever or tachycardia