GI Flashcards
1
Q
ACUTE ABDOMEN
- What are causes of RUQ pain?
- What are causes of Epigastric pain?
- What are causes of LIF pain?
- What are causes of RIF pain?
- What are causes of flank pain?
- What are causes of umbilical pain?
- What are causes of suprapubic pain?
A
- Biliary colic, acute cholecystitis, acute cholangitis
- Pancreatitis, AAA, Peptic Ulcer Disease
- Diverticulitis, Ectopic pregnancy, Ovarian cyst
- Appendicitis, Ectopic pregnancy, Ovarian cyst, Meckel’s diverticulitis
- Renal colic, pyelonephritis, AAA (loin to groin)
- AAA, Intestinal obstruction, ischaemic colitis
- Urinary retention, PID
2
Q
BILIARY COLIC
- What is it?
- What are the features of Biliary Colic?
- What are the risk factors of Biliary Colic?
- If a patient develops jaundice following a cholecystectomy for biliary colic, what has happened?
A
- When a gallstone passes through the biliary tree
- RUQ, worsened by eating fatty foods, may radiate to shoulder
- Fair, female, fat, forty, DM, Crohn’s Disease, COCP, rapid weight loss
- May have had a gallstone in CBD, has developed obstructive jaundice
3
Q
ACUTE CHOLECYSTITIS
- What is it?
- What is it MAINLY caused by?
- What are other causes?
- What are the features of Acute Cholecystitis?
- Are LFTs normal in Acute Cholecystitis?
- What is the first-line investigation for Acute Cholecystitis?
- What is the management of Acute Cholecystitis?
- What is Murphy’s sign?
A
- Inflammation and infection of the gallbladder
- 90% are due to gallstones
- 10% are acalculous, more seen in hospitalised patients and those severely unwell. Also seen in immunocompromised patients
- RUQ, may radiate to shoulder. Fever. Positive Murphy’s sign
- Yes they are. If LFTs abnormal, consider Mirizzi’s syndrome
- Abdo US
- IV ABX, Lap chole within 1 week
- Arrest of breathing on gallbladder palpation
4
Q
ASCENDING CHOLANGITIS
- What is it?
- What is it MAINLY caused by?
- What are the main features?
- What is Reynold’s pentad?
- What is the management?
A
- An infection of the BILIARY TREE
- E.Coli
- Charcot’s triad: Fever, RUQ, Jaundice
- Fever, RUQ, Jaundice + Hypotension/Bradycardia + Confusion
- IV ABX, Plus ERCP within 24-48 hours to relieve obstruction
5
Q
APPENDICITIS
- In what patients does it commonly present?
- What are the clinical features?
- What may be seen on examination?
- What are some investigations to help diagnose it?
- What are some important differentials?
- What is the management?
A
- Young patients aged 10-20 years old
- Mild fever, peri-umbilical pain with radiation / migration
to RIF. Some episodes of vomiting, anorexia, mild fever - Generalised peritonitis, Rovsing positive, on DRE boggy sensation for pelvic abscess, Tenderness at McBurney’s point
- High CRP, Neutrophilia, Urine dip positive for leukocytes, negative for nitrites, Ultrasound - may see free fluid
- Ectopic pregnancy, ovarian cyst with torsion / rupture, Meckel’s diverticulitis, Mesenteric adenitis
- Prophylactic ABX, followed by Laparoscopic appendicectomy
6
Q
MECKEL’S DIVERTICULUM
- What is it?
- What are the features?
- What are the rules of 2’s?
A
- A congenital diverticulum of the small intestine
- Abdominal pain, mimicking appendicitis. Painless rectal bleeding and intestinal obstruction
- 2% of the population, 2 feet from ileocaecal valve, 2 inches long, present before the age of 2, has 2 types of epithelial tissue (gastric and pancreatic)
7
Q
PRIMARY SCLEROSING CHOLANGITIS
- What is it?
- What are the risk factors?
- What are the main features?
- What do the LFTs look like?
- What is the gold-standard imaging test? What is seen?
- What antibody is associated with it?
- What are some complications of PSC?
A
- A condition where the intra and extrahepatic ducts become strictured and fibrotic, causing an obstructive pattern preventing bile from leaving the liver leading to inflammation
- Ulcerative Colitis, less so Crohn’s Disease, HIV, family history, male, age 20-40
- Jaundice, RUQ, Hepatosplenomegaly, fatigue, pruritis / exocoriations, cirrhosis
- Elevated ALP and Bilirubin “cholestatic picture”
- MRCP > ERCP. Beaded appearance of intrahepatic and extrahepatic ducts
- pANCA
- Cholangiocarcinoma and colorectal cancer
8
Q
PRIMARY BILIARY CIRRHOSIS / CHOLANGITIS
- What is it?
- What are the risk factors?
- What are the main features?
- What do the LFTs look like?
- What antibody is associated with it?
- What immunoglobulin is it associated with?
- What is FIRST-LINE management? MoA?
- What are other aspects of management?
A
- An autoimmune condition attacking the small ducts of the liver, causing obstruction of bile acids, billirubin, cholesterol
- Female, Sjorgren’s, RA, Thyroid disease, Systemic Sclerosis
- Being female, jaundice, pruritus / excoriations, hyperpigmented pressure points, xanthalesma, pale stools, cirrhosis, fatigue
- Elevated ALP and Billirubin “cholestatic picture”
- AMA
- IgM
- URSODEOXYCHOLIC ACID, reduces cholesterol absorption
- Liver transplantation, cholestyramine
9
Q
HAEMOCHROMATOSIS
- What is it?
- What gene is mutated, on what chromosome?
- What is the inheritance pattern?
- What are some of the features?
- Why are women affected later than men?
- What is the ferritin, transferrin saturation and TIBC?
- What may be some other investigations?
- What is seen on CXR?
- What is first-line management?
- What is second-line management?
A
- An iron storage disorder of raised total body iron and deposition in tissues
- HFE gene, chromosome 6
- Autosomal recessive
- Bronze skin, hair loss, memory loss, mood disturbances, chronic tiredness, hypothyroidism, T2D, dilated cardiomyopathy, chronic liver disease, erectile dysfunction, amenorrhoea, arthralgia, arthritis
- Due to menstruation reducing iron overload regularly
- Raised ferritin, raised transferrin saturations, reduced TIBC
- Genetic testing for HFE, Liver biopsy with Perl’s stain, CT abdo / MRI
- Chondrocalcinosis
- Venesection
- Desferrioxamine
10
Q
WILSON’S DISEASE
- What is it?
- What is the inheritance pattern?
- What are some of the features?
- What may investigations show?
- What is the management?
A
- Characterised by excess Cu deposition in body and tissues
- Autosomal recessive
- Kayser-Flescher rings, psychiatric issues, liver issues (cirrhosis, hepatitis), neurological issues (dementia, parkinsons)
- Reduced total serum copper, reduced serum caeruloplasmin, increased 24 hour copper excretion
- Penicillamine
11
Q
NON-ALCOHOLIC FATTY LIVER DISEASE
- What is it?
- What are the different stages of NAFLD?
- What are the risk factors?
- What are the features?
- What is the first-line investigation?
- What is the management?
A
- The hepatic manifestation of the metabolic syndrome
- NAFLD, then NASH, then Fibrosis, then Cirrhosis
- Obesity, poor diet, low activity, T2D, hypercholesterolaemia, middle age and above, smoking, HTN, sudden weight loss or starvation
- Usually asymptomatic, may have hepatomegaly. May have ALT > AST, and increased echogenicity of liver
- ELF (Enhanced Liver Fibrosis) test
- Lifestyle changes i.e. weight loss, stop smoking, exercise. Monitoring the disease
12
Q
GASTRO-OESOPHAGEAL REFLUX DISEASE
- What is it?
- What is the cell type of the Oesophagus and stomach?
- What are the presenting features?
- When might you refer a patient for Endoscopy urgently within 2 weeks?
- When might you refer a patient for Endoscopy non-urgently?
- If patients with dyspepsia do not meet criteria for Endoscopy, what are treatment options?
- If a patient has confirmed GORD on Endoscopy, what is the treatment?
- If a patient has no confirmed GORD on Endoscopy but has dyspepsia symptoms, what is the treatment?
- State the tests which can be formed for initial investigation of H pylori?
- What is the test of cure following H Pylori therapy? When would you do it?
- Outline the Urea Breath test?
- What things may interact with Urea Breath test?
- What type of bacteria is H.pylori?
- Outline the Rapid Urease test (CLO) test?
- What is the eradication therapy for H.pylori?
- What is the eradication therapy for H.pylori if penicillin allergic?
- What is a rare side-effect of PPI?
A
- Refers to when acid from stomach refluxes through the lower esophageal sphincter and irritates the lining of the oesophagus
- Oesophagus - stratified squamous. Stomach - Columnar
- Heart-burn, acid reflux, retrosternal / epigastric pain, nocturnal cough, hoarse voice
- Dysphagia, age over 55 years old, weight loss, upper abdominal pain / reflux
- Haematemesis, treatment resistant dyspepsia, nausea and vomiting, low Hb, raised platelets
- Full dose 1 month PPI or “test and treat” for H. Pylori
- 1-2 months of PPI, if response then continue on low dose. If no response consider double dose
- 1 month of PPI, if response then consider low dose PRN. If no response, consider prokinetic or H2RA for a month
- 13-Urea breath test, or stool antigen test
- 13-Urea breath test, ONLY if they still have symptoms
- Patient consumes a drink of 13-C urea, after 30mins will exhale into a glass tube
- PPIs and Antibacterial drugs, hence must be off PPI for 2 weeks or antibacterial for 4 weeks
- Gram negative, aerobic bacteria
- Performed during endoscopy. Biopsy is mixed with pH indicator and urea. Colour change = positive result
- PPI + Amoxicillin + Clarithromycin / Metronidazole
- PPI + Clarithromqycin + Metronidazole
- Hypomagnesemia - causing muscle aches
13
Q
PEPTIC ULCER DISEASE
- What are some risk factors of Peptic Ulcer Disease?
- What are the general features?
- What is the pain for a Duodenal Ulcer?
- What is the pain for a Gastric Ulcer?
- What are the investigations?
- If patient is positive or negative for H. Pylori, what is the management?
A
- H. Pylori, NSAIDs, SSRIs, steroids, bisphosphonates, Zollinger-Ellison syndrome
- Epigastric pain, nausea
- Improved by eating
- Worsened by eating
- Test for H. Pylori, i.e. 13-C Urea breath test, stool antigen
- If positive, triple eradication therapy. If negative, PPI to allow ulcer to heal
14
Q
BARRET’S OESOPHAGUS
- What is it?
- What are risk factors?
- What is the management?
A
- Transformation of stratified squamous epithelium to columnar epithelium in the oesophagus
- GORD, smoking, male, obesity
- Endoscopic surveillance, if metaplasia do this every 3-5 years. If dysplasia, consider resection and ablation. High dose PPI
15
Q
BUDD-CHIARI SYNDROME
- What is it?
- What are the features?
- What are risk factors?
- What is the main-stay investigation?
A
- Hepatic vein thrombosis
- Sudden onset abdo pain, ascites, hepatomegaly
- COCP, procoagulant conditions i.e. Antiphospholipid syndrome, pregnancy
- US with Doppler flow studies