Investigations Flashcards
1st line investigation for cholecystitis
Ultrasound
ERCP 2nd line
1st line investigation for pancreatitis
Raised serum amylase
-USS to confirm cause
1st line investigation for suspected perforation
Erect CXR, free gas under diaphragm
CT to establish source and look for intra-peritoneal collections
1st line investigation for appendicitis
USS
1st line investigation for diverticulitis
CT
1st line investigation of distended abdomen
If bowel source suspected AXR
If fluid suspected USS
1st line investigation for haematemesis
Endoscopy
1st line for dysphagia
Endoscopy
1st line investigation of suspected IBD
Endoscopy
1st line investigation in jaundice
USS
ERCP (therapy can be given with)
CT if suspected tumours
How do you diagnose Eosinophilic oesophagitis
Mucosal biopsy
Marked eosinophilia may also be seen on FBCs
What areas of the GI tract can be visualised with an OGD
The oral cavity through till the duodenum
What areas of the GI tract can be visualised with a traditional and flexible sigmoidoscopy
Traditional: rectum through till distal sigmoid colon
Flexible: rectum through till the end of the left colon at the splenic flexure
Note this requires bowel prep with 1/2 phosphate enemas
Sedation is rarely required
What areas of the GI tract can be visualised with a colonoscopy
Rectum through the whole colon and into the terminal ilium
Note this frequently requires sedation (No driving for 24hours post IV sedation)
Which method of visual examination allows for full visualization of the small intestine
Capsule endoscopy
Must be done post a 24hour fast period
Indicated for obscure non-identifiable GI bleeds following traditional scoping