1. Gastro Flashcards
(193 cards)
Globus pharynges؟
foreign body sensation localised in the neck that does not interfere with swallowing and sometimes is relieved by swallowing.
Diarrhea is:
- More than normal bowel movement for that person.
- Three loose or liquid bowel movements a day.
constipation?
Less than three stools per week.
Coffee ground vomiting occurs in ?
UGIB
EGD contraindications ?
- No consent
- Lack of cooperation (?)
- Unstable angina, asthma or heart failure (?)
- Acute abdomen
- Suspected perforation
Relative EGD contraindications?
• Ventricular arrythmia
• Hemorrhagic diathesis
• Zenker’s diverticulum
• Repeated endoscopy due to mild conditions
(eg. gastritis, dyspepsia, uncomplicated DU)
Colonoscopy contraindications ?
- No consent
- Acute abdomen
- Suspected perforation
- Lack of cooperation (?)
- Unstable angina, asthma or heart failure (?)
- Ventricular arrythmia (?)
- Hemorrhagic diathesis (?)
- Aortic aneurysm (?)
- Repeated endoscopy due to benign diseases (eg. small polyp removed year before)
ERCP complication ?
which one is most common ?
- Acute pancreatitis 1-7% “ MOST COMMON “
- Bleeding 0.7-2%
- Retroperitoneal perforation 0.3-0.6%
- Cholangitis <1%
- Cholecystitis 0.2-0.5%
- Cardio-respiratory <1%
- Mortality rate 0.2% -1.5%
Endosonography - EUS ?
- Staging of tumors.
- **Assessment of submucosal lesions and structures adjacent to the wall of GI tract.
- FNA of lesions adjacent to the wall of GI tract.
- Drainage of fluid collections.
- Risk assessment of UGIB recurrence (doppler function)
Small bowel imaging ?
- Traditional barium study
- Small bowel MRI
- Capsule endoscopy
- Single/double-balloon enetroscopy
Before endoscopic procedure with high risk of bleeding low molecular weight heparin should be stopped ?
24 hrs before the procedure.
ERCP diagnostic indications ?
- Chronic pancreatitis
- Obstructive jaundice
- Vater’s papilla tumors
Before endoscopic procedure with high risk of bleeding Prasugrel should be stopped ?
5 days before the procedure.
Endoscopic procedure with higher risk of bleeding ?
EUS with FNA.
What is the most sensitive and Specific test for colorectal cancer ?
Colonoscopy.
- Diagnostic and therapeutic.
- The diagnostic study of choice for patients with positive FOBT.
CEA ?
- Not useful for a screening.
- Useful for establishing baseline.
- Monitoring treatment efficacy.
- Recurrence surveillance.
- Does not have prognostic significance. (Although patient with preoperative CEA > five have worse prognosis)
Recommendation and screening of colon cancer?
- colon cancer screening begins at age of 50.
- If one family member has colon cancer began at age of 40 or 10 years before the age of onset of family member.
what is the most common cause of large bowel obstruction in adults?
CRC.
- Colonic perforation can lead to peritonitis and it is the most life-threatening complication.
Sign and symptoms based on the specific location of the CRC?
Right side tumors: “Melena”
- Common findings: occult blood in stool iron deficiency anemia and Melena.
Left side: “Heamtochezia” :
- Signs of obstruction are common..
What is the most common symptom for rectal cancer?
Heamtochezia
Colorectal cancer predisposing factors ?
- No relative – CRC risk 1/50
- One 1st degree relative affected -1:17
- Two 1st degree relatives affected -1:10
- Certain genes mutations (APC, K- ras, DCC, p53 etc)
- ↑risk in families with increased cancer prevalence (HNPCC)
- Polyposis syndromes (FAP etc.)
- Long-standing IBD
Pseudopolyp ?
- the destruction of the mucosa in severe IBD, leaving “islands” protruding into the intestinal lumen.
Adenomas?
- increase incidence after 30yo.
- Detected in 30% of 50+ screened patients
- Majority <1cm
- The tendency to become malignant small, but increasing with the diamete.
Advanced adenoma ?
- > 1cm
- villous component
- HGD
- advanced adenoma is found in 4% of screened 50+ patients
- Invasive cancer in 1% of the screened patients