Rapid Style Questions Flashcards
What is the most common cause of acute cholecystitis?
Gallstones obstructing the cystic duct
Which physical exam finding is classically associated with acute cholecystitis?
Murphy’s Sign
Murphy’s Sign: RUQ pain/tenderness with deep palpation during inspiration (halts inspiration)
What is the first-line imaging modality for suspected acute cholecystitis?
Abdominal Ultrasound
Transabdominal gallbladder US is best test to detect gallstones and evaluate GB disease
* Ultrasonographic Murphy sign: local abdominal tenderness over GB
* Pericholecystic fluid and GB wall thickening indicates acute inflammation
Classically CT scans are done in the ED, but they are not first-line nor the best test in diagnosing acute cholecystitis
Why is a transabdominal ultrasound superior to CT scans in diagnosing acute cholecystitis?
- Visualization of Gallbladder Wall and Structures: US is superior when visualizing the GB and detecting its thickening, which is a key indicator of acute cholecystitis
- Reproduction of Murphy’s Sign
- Non-invasive and is a quick test in the ED
Although labs can be normal in acute cholecystitis, what are some common labatory findings?
- Elevated WBC
- LFT’s normal to slightly elevated
- Elevated bilirubin and alk phos
- Lipase
What is the initial management for a patient presenting with acute cholecystitis?
IV Fluids, antibiotics, and pain control
What surgical procedure is commonly performed for acute cholecystitis?
Laparoscopic Cholecystectomy
Earlier is better, within 24-48 hours is ideal
Which antibiotic is commonly used for treating acute cholecystitis?
Piperacillin-tazobactam or ceftriaxone w/metronidazole
What complication occurs when the gallbladder wall becomes ischemic and necrotic?
Gangrenous cholecystitis
What is the role of a HIDA scan in diagnosing acute cholecystitis?
To confirm diagnosis when ultrasound findings are equivocal
What finding on ultrasound is indicative of acute cholecystitis?
Gallbladder wall thickening, pericholecystic fluid, and a positive Murphy’s sign
Positive Murphy’s sign reproduced during exam
What is a non-surgical alternative procedure for acute cholecystitis when surgery is contraindicated?
Percutaneous cholecystostomy
A percutaneous cholecystostomy is a minimally invasive procedure used to drain the gallbladder, typically performed in patients with acute cholecystitis who are not candidates for immediate surgery.
What is the common pathogen of acute cholecystitis?
What is the typical duration of abx treatment?
E. coli
5-7 days post surgery
What imaging finding is described as a “porcelain gallbladder” and why is it significant?
Calcification of the gallbladder wall, significant because it can be associated with an increased risk of gallbladder cancer
What is the name of the condition where a stone obstructs the common bile duct, often presenting with jaundice?
Choledocholithiasis
What is the typical cause of chronic cholecystitis?
What are common symptoms of chronic cholecystitis?
Repeated episodes of acute cholecystitis or chronic irritation caused by gallstones
Intermittent RUQ pain, nausea, and bloating (especially after fatty meal
What is the typical imaging finding in chronic cholecysitits?
Thickened gallbladder wall and presence of gallstones
Are LFT’s elevated in chronic cholecystitis?
No, they are usually normal as well as white blood cell counts
These can be normal or elevated in acute cholecystitis
What is the definitive treatment for chronic cholecystitis?
Cholecystectomy (surgical removal of the gallbladder)
Are men or women more affected by chronic cholecystitis?
Women (Middle-aged)
What is a common complication of untreated chronic cholecystitis?
- Gallbladder cancer
- Gallstone ileus
How does chronic cholecystitis differ from acute cholecystitis in terms of presentation?
Chronic cholecystitis presents with intermittent and less severe symptoms compared to the acute, severe pain and systemic symptoms of acute cholecystitis
What dietary modification can help manage symptoms of chronic cholecystitis?
Because what type of gallstone are most common in chronic cholecystitis?
Reducing Fatty Foods
Cholesterol gallstones
What type of cholelithiasis (gallstone) is related to cirrhosis?
Black Stones
What is the best imaging test to diagnose stones in the common bile duct (choledocholithiasis)?
ERCP
What is the biggest risk factor associated with gastric cancer?
What factors can reduce risk?
H. Pylori
Chronic aspirin or NSAID use, and wine
What is the most common gastric cancer type?
Adenocarcinoma
What are Virchow’s nodes?
Supraclavicular nodes seen in gastric cancer
What finding on physical exam strongly suggests choledocholithiasis?
Icterus (yellowing of the sclera)
What symptom might a patient with choledocholithiasis experience after eating a fatty meal?
Biliary colic (severe abdominal pain)
What is a common cause of secondary choledocholithiasis?
Migration of gallstones from the gallbladder into the common bile duct.
What condition must be ruled out in a patient with suspected choledocholithiasis and severe right upper quadrant pain?
What lab findings suggest bile duct obstruction?
Acute pancreatitis
Elevated bilirubin, particularly direct (conjugated) bili
On imaging in a patient with choledocholithiasis is the bile duct constricted or dilated?
What imaging can be done if US is inconclusive?
Dilated
Magnetic resonance cholangiopancreatography (MRCP)
Which symptom differentiates choledocholithiasis from uncomplicated cholelithiasis?
Jaundice
What serious complication can arise from choledocholithiasis if not treated?
What is choledocholithiasis?
Cholangitis
Gallstones in the common bile duct
What is the gold standard diagnostic procedure for choledocholithiasis?
Endoscopic retrograde cholangiopancreatography (ERCP)
What is the definition of chronic hepatitis?
Which hepatits is most likely to progress to chronic infection?
Hepatitis lasting more than 6 months
Hepatitis C virus (HCV)
What serologic marker indicates chronic hepatitis B infection?
HBsAg positive for more than 6 months
Which hepatitis virus is most commonly associated with hepatocellular carcinoma?
Hepatitis B (HBV)
What is the goal of antiviral therapy in chronic hepatitis B?
To suppress HBV DNA to undetectable levels and normalize ALT levels
Which direct-acting antiviral (DAA) class is used to treat chronic hepatitis C?
- NS5A inhibitors
- NS5B polymerase inhibitors
- Protease inhibitors
What screening test is recommended for patients with chronic hepatitis B and cirrhosis to monitor for hepatocellular carcinoma?
Liver ultrasound every 6 months
What serologic marker indicates immunity to hepatitis B due to vaccination?
Anti-HBs (Hepatitis B surface antibody)
Which hepatitis virus can lead to fulminant liver failure in pregnant women?
Hepatitis E virus (HEV)
Which serologic marker indicates a resolved hepatitis B infection?
Positive anti-HBs and anti-HBc with negative HBsAg
Which hepatitis virus is associated with the highest risk of chronic infection in neonates?
Hepatits B virus
What is the most common cause of acute appendicitis?
Obstruction of the appendiceal lumen, often by a fecalith
What is the initial symptom of acute appendicitis?
What physical exam finding is indicative of appendcitis?
Periumbilical pain that later localizes to the right lower quadrant
McBurney’s point tenderness
What sign involves pain in the right lower quadrant with palpation of the left lower quadrant?
Rovsing’s sign
What is the imaging modality of choice for diagnosing appendicitis in adults?
What about in children and pregnant persons?
CT of abdomen and pelvis
Ultrasound
What laboratory finding is commonly associated with appendicitis?
Elevated white blood cell count (leukocytosis)
What antibiotic prophylaxis is recommended before appendectomy?
What is the definitive treatment for acute appendicitis?
A single dose of a broad-spectrum antibiotic such as cefoxitin or cefazolin with metronidazole
Appendectomy
Is surgery indicative in a patient with appendicitis who on imaging has a fecalith present?
Yes
What is the name of the sign where there is pain upon passive extension of the right hip?
Psoas sign
What is the name of the sign where there is pain upon internal rotation of the flexed right thigh?
Obturator sign
What complication can arise if appendicitis is left untreated?
Perforation leading to peritonitis or abscess formation
What is a common differential diagnosis for appendicitis in young women?
Ovarian Cyst
Ectopic Pregnancy
What is the typical initial symptom of appendicitis?
What is the treatment?
Crampy or “colicky” pain around the umbilicus
Surgical appendectomy
What is the most common symptom of appendicitis in children?
Right lower quadrant pain
A 10-year old child presents with periumbilical pain that later localizes to the right lower quadrant. What is the most likely diagnosis?
Appendicitis
What is the most common complication of appendicitis in pediatric patients?
Peritonitis
True or False: Appendicitis can sometimes present with diarrhea in pediatric patients
True
At what age does colic peak?
When does it typically end?
Peaks 2-3 months of age
4 months of age
What is the Rule of 3’s in infantile colic?
Cry –> 3 hrs/day, 3d/wk, for 3 weeks
True or False: Constipation can lead to urinary incontinence in children.
True
What are the most accurate signs of moderate to severe dehydration in kids?
- Prolonged capillary refill
- Poor skin turgor
- Abnormal breathing
What congenital disorder is classified by the absence or complete closure of a portion of the lumen of the duodenum?
What is seen in utero in this diagnosis?
Duodenal Atresia
Increased levels of amniotic fluid (polyhydramnios)
What is the most common presenting symptom of duodenal atresia in a newborn?
Bilious vomiting
What is the most frequent viral cause of diarrhea in children?
Rotavirus
What is the hallmark presentation of Hirschsprungs Disease?
Delayed passage of meconium
Encopresis in children is almost always associated to what underlying condition?
Severe Constipation
What is the most likely etiology for diarrhea after a picnic (i.e. egg salad)?
Staph. aureus
What is the etiology of travelers diarrhea?
E.coli
Vibrio cholerae infection is associated with the consumption of what food?
Shellfish
Is a nighttime cough associated with GERD?
Yes, nighttime cough can indeed be associated with gastroesophageal reflux disease (GERD). In children and adults, GERD can cause a variety of respiratory symptoms, and cough is one of the more common manifestations, particularly when it occurs at night.
a
True/False: Esophageal pH monitoring is the gold standard for diagnosing GERD in children of all ages.
False (It is informative but not necessarily the standard for all ages, particularly in infants where clinical presentation is often sufficient)
Neonatal jaundice appears when total bilirubin levels are above what value?
At what level does neonatal hyperbili require treatment?
2mg/dL
Levels greater than 18
When is a Coomb’s test done?
To evaluate neonatal jaundice
What is the definitive diagnosis for lactose intolerance?
Lactose hydrogen breath test
Are gastric or duodenal peptic ulcers more common?
What are the two biggest risk factors of peptic ulcer formation?
Duodenal
H. Pylori and NSAID use
What is the most common cause of an upper gastrointestinal bleed?
What increases the risk of bleeding?
Peptic Ulcer Disease
NSAIDs
Does food exacerbate or alleviate symptoms in peptic ulcers?
Duodenal ulcer: pain is alleviated by ingesting food (mnemonic: DUDe, give me food)
Gastric ulcer: pain is exacerbated by ingesting food
Which risk factors should prompt a GERD patient to be screened for Barrett’s esophagus?
Presence of multiple risk factors including age ≥ 50, central obesity, chronic GERD, cigarette smoking, hernia, male gender, white race, and a confirmed history of Barrett’s esophagus or esophageal adenocarcinoma in a first-degree relative.
What is the most common risk factor for squamous cell carcinoma of the esophagus?
What is the most common esophageal cancer in the U.S.?
Smoking and alcohol use
Adenocarcinoma, and squamous cell is the most common worldwide
What is the screening recommendation for esophageal cancer in patients with known Barrett’s Esophagus?
Screening endoscopy every 3-5 years
Which nerve is most likely injured when patients with esophageal cancer have a hoarse voice?
The recurrent laryngeal nerve
What is the diagnostic test of choice in diagnosing acute diverticulitis?
What is contraindicated due to risk of perferation?
Abdominal CT with contrast
Barium enema or colonoscopy
What finding is seen on abdominal radiographs with bowel perforation?
Free air under the diaghragm
What bowel disease is classically associated with toxic megacolon?
Ulcerative Colitis
The presention of dysphagia, regurgitation of undigested food, and halitosis is consistent with what GI diagnosis?
What is the diagnostic study of choice?
Zenker’s Diverticulum
Barium Swallow
What is the most common etiology of appendicitis?
Fecalith
Describe the special tests applicable to working up appendicitis?
- Rovsing Sign: RLQ pain with LLQ palpation
- Obturator Sign: RLQ pain with internal rotation of the hip
- Psoas Sign: RLQ pain with right hip flexion/extension (raise leg against resistance)
- McBurney’s point tenderness: point one third of the distance from the anterior superior iliac spine to the belly button
What finding on abdominal x-ray should make you think of bowel obstruction?
Air Fluid Levels (“string of pearls” or “stack of coins”)
What imaging modality should be ordered immediately in the work-up of a suspected bowel obstruction?
What is the imaging modality of choice?
Obtain plain radiographs (KUB) to quickly confirm a diagnosis of bowel obstruction, and, provided the films do not have findings that indicate the need for immediate intervention, then use computed tomography (CT) of the abdomen and pelvis to further characterize the nature, severity, and potential etiologies of the obstruction
Abdominal CT
What will be seen on the KUB postive for a bowel obstruction?
What is the treatment?
KUB shows dilated small bowel loops (< 3 cm), air-fluid levels in the small bowel with valvulae conniventes visible across the full width of the bowel, string of pearls (multiple air-fluid levels), and paucity of gas in the colon
NG tube or surgery
Is vomiting more common in small bowel obstructions or large bowel obstructions?
Small Bowel Obstructions
What is the recommended treatment for mild-to-moderate GERD?
What drug class is used when first line treatment fails?
Histamine 2 receptor antagonists such as cimetidine or famotidine
PPI’s (omeprazole)
What is the most common type of hiatal hernia and how does it commonly present?
A sliding hiatal hernia is the most common and it typically presents with GERD symptoms refractory to treatment with a PPI and symptoms worse at night
What is Budd Chiari Syndrome?
What is it associated with?
a triad of abdominal pain, ascites, and hepatomegaly
Cirrhosis
What is the most common complication of cirrhosis?
How is it treated?
Ascites
Paracentesis
What is the most common cause of painless rectal bleeding in the pediatric population?
Colonic Polyps
What is Familial adenomatous polyposis (FAP)?
When should screening begin with patients at high risk of FAP?
What is the definitive and preferred treatment?
An autosomal dominant genetic predisposition that is characterized by the development of hundreds to thousands of colonic adenomatous polyps
Yearly sigmoidography beginning at age 12
Prophylactic colectomy
How is constipation defined?
Less than 3 bowel movements per week
According to the Rome III criteria, functional constipation is defined as any two of the following features:
- Straining
- Lumpy, hard stools
- A sensation of incomplete evacuation
- Use of digital maneuvers
- A sensation of anorectal obstruction or blockage with 25 percent of bowel movements
- A decrease in stool frequency (less than three bowel movements per week)
What is the presentation of travelers diarrhea?
What is the treatment?
What is the most common etiology?
Abrupt onset of watery diarrhea, malaise, anorexia, and abdominal cramps.
Supportive Care
Enterotoxic E. Coli (ETEC)
What toxicity can occur with large amounts of bismuth ingestion?
Salycilate toxicity
Which chronic esophageal condition predisposes the development of esophageal cancer?
Barrett’s Esophagus
What are the two most common causes of pancreatitis?
What is the most sensitive lab test to diagnos pancreatitis?
Gallstones and alcohol use
Lipase
What is Charcoat’s Triad?
What is Reynold’s Pentad?
Abdominal Pain, Jaundice, Fever
Associated with cholangitis
Charcoat Triad + Confusion, Hypotension
How does a distal bowel obstruction present compared to a proximal bowel obstruction?
Patients present with less vomiting and more abdominal distension
Describe a hiatal hernia?
How does a Type 1 hiatal hernia present?
A hiatal hernia occurs when the upper portion of the stomach protrudes into the chest cavity due to a weakness or tear in the diaphragm or the distal esophagus slides above the diaphragm.
Similar to GERD, it is the most common type
What are the layers of the GI Tract?
- Mucosa
- Submucosa
- Muscularis
- Serosa
Mucosa contains epithelium and glands that secrete what?
GLP-1: glucagon-like peptide
CCK: choleystokinin
What type of neurons are in the submucosa?
Autonomic neurons are within the Meissner’s plexus
What enzyme is within saliva that helps to break down carbs?
salivary amylase
Salivary glands are innervated by what branch of the nervous system?
Parasympathetic
The cricopharyngeal muscle helps with what function
Closes the UES during inspiration
What is the Z line of the esophagus?
A demarcation line, the squamocolumnar (SC) junction or “Z-line”, represents the normal esophagogastric junction where the squamous mucosa of the esophagus and columnar mucosa of the stomach meet
The stomach is impermeable to water, but will absorb what?
NSAIDs and ETOH
What hormone will decrease motility and emptying during the intestinal phase in the stomach?
Cholecystokinin
What hormone will slow gastric juice release during the intestinal phase in the stomach?
Somatostatin
What helps to release gastric acid?
Histamine
Where is the vomiting center located?
Medula - will induce deep breathing and close to the epiglottis
What cells secrete hydrochloric acid?
Parietal cells
Where is bile produced?
Liver
Bile is released with pancreatic enzymes through what sphincter?
Sphincter of Oddi
What hormone stimulates bile production?
Secretin
What cell type makes up a bulk of the pancreas?
Acini cells
What breaks down starches and glycogen?
Amylase
What is the primary site of chemical digestion and nutrient absoprtion?
Small intestine
What ligament separates the duodenum from the jejunum?
Treitz ligament
What portion of the small intestine accepts chyme from the stomach?
Duodenum
Where is magnesium absorbed?
Jejunum and ilium
What ligament comes off the falciform to support superiorly to the diaphragm?
Coronary ligament
What is the functional unit of the liver?
Liver lobule
Where do sinusoids drain into?
Central vein –> hepatic vein –> IVC
What normally determines osmotic pressure?
Sodium
What substance results from the breakdown of proteins?
Ammonia
The head of the pancreas receives blood from what artery?
Superior mesenteric artery (SMA)
Which antibiotic is used for the treatment of diarrhea due to Clostridioides difficile?
Oral vancomycin
What is the recommended procedural treatment for patients with refractory grade II internal hemorrhoids who are on anticoagulants?
Sclerotherapy due to the high risk of bleeding
What is the most common cause of small bowel obstruction in adults?
What is the most common cause in children?
Adhesions from previous surgeries
Intussusception
What is the most common cause of large bowel obstruction?
Colorectal Cancer
What classic triad of symptoms is associated with bowel obstruction?
Abdominal Pain
Vomiting
Constipation (or inability to pass flatus)
What imaging study is typically first line to diagnose a bowel obstruction?
What signs are you looking for?
Abdominal X-ray
Multiple air-fluid levels and dilated loops of bowel
What is the initial management step for a suspected bowel obstruction?
What electrolyte imbalance do you want to watch out for?
- Nasogastric tube insertion for decompression
- IV fluids
- NPO
Hypokalemia
Bowel obstructions cause hypokalemia due to several different mechanisms including - vomiting, decreased oral intake, third-spacing (fluid can accumulate in the bowel lumen and interstitial space), and in some cases diarrhea
What are some common physical exam findings in bowel obstruction?
- Abdominal distension
- Hyperactive bowel sounds initially, followed by hypoactive bowel sounds
What complication is a major concern with bowel obstruction?
Bowel ischemia and perforation
What finding on CT scan is suggestive of a closed-loop bowel obstruction?
A segment of bowel with a twisted appearance and a C-shaped loop
What is the typical presentation of a patient with a sigmoid volvulus?
Elderly patient with chronic constipation and a sudden onset of crampy abdominal pain and distension
What is the term for a bowel obstruction caused by gallstone migration?
Gallstone ileus
What is the most common initial management approach for uncomplicated small bowel obstruction?
Concervative management with bowel rest, IV fluids, and monitoring
What is the classic triad of symptoms for intussusception in children?
Abdominal pain, “current jelly” stools, and a palpable abdominal mass (sausage-like mass)
What is intussusception?
What are the most common age groups affected?
Telescoping of one part of the intestine into an adjacent part
Infants and young children, typically between 6 months and 3 years
What is the most common location for intussusception to occur?
Ileocecal region
What is the first line imaging modality to diagnose intussesception?
Abdominal Ultrasound (sensitivity and specificity > 95%)
Will see a target or a “doughnut” sign
What is the initial treatment for intussusception in a stable patient?
Air or contrast enema (can also be therapeutic)
What is Dance’s sign?
Emptiness in the right lower quadrant seen in intussesception
What underlying conditions can predispose to intussusception in older children?
- Meckel’s diverticulum
- Polyps
- Lymphomas
What is the typical presentation of “currant jelly” stools in intussusception?
Stools mixed with blood and mucus
What is the most common cause of intussesception in children?
Idiopathic, often with an associated viral infection leading to lymphoid hyperplasia
What is the typical disposition for a child after successful enema reduction of intussusception?
Observation in the hospital for 12-24 hours to monitor for recurrence
What is a potential risk during the enema reduction of intussusception?
Bowel perforation
What is the etiology of esophagitis?
- Reflux/erosive
- Infection (usually fungal)
- Pill induced esophagitis
- Eosinophilic
- Radiation induced
What is the most common pathogen in infectious esophagitis?
Candida
What is the presentation of esophagitis?
Retrosternal chest pain
Heartburn
Odynophagia
Dysphagia
What is the diagnosis and work-up for esophagitis?
Endoscopy and biopsy may differentiate subtypes
How will candidiasis appear on endoscopy?
Small, diffuse, linear, yellow-white, “cheese like” plaques adherent to mucosa
What is the treatment for erosive/reflux esophagitis?
H2 blocker or PPI
What is the treatment for candida esophagitis?
Oral fluconazole
What is the treatment for EoE esophagitis?
Budesonide or fluticasone
What needs to be avoided in patients with esophagitis?
NSAIDs
What is the first-line treatment for a superficial perianal abscess?
Surgical Drainage
A patient presents with a painful, red, swollen area near the anus. What is the most likely diagnosis?
Perianal Abscess
What is a common complication of an untreated perianal abscess?
Fistula Formation
What type of fistula is associated with Crohn’s Disease?
Enterocutaneous fistula
What is the typical presentation of an anorectal fistula?
Recurrent perianal abscesses
Which surgical procedure is commonly performed to treat a simple anal fistula?
Fistulotomy
What is the primary characteristic of an ileus?
Paralysis of the intestinal muscles
Are electrolyte imbalances a common cause of postoperative ilues?
Yes
Postoperative ileus is a temporary impairment of bowel motility after surgery. Several factors can contribute to the development of postoperative ileus, including: electrolyte imbalance (hypokalemia), inflammation, medication, and pain
A patient presents with abdominal distension, vomiting, and absent bowel sounds. What is the most likely diagnosis?
Ileus
Absent bowel sounds helps distinguish ileus from a bowel obstruction
What imaging study is most helpful in diagnosing an ilues?
Abdominal X-ray
What is the first line treatment in a patient with ilues>
Nasogastric decompression and supportive care
Which electrolyte abnormality is commonly associated with ileus?
Hypokalemia
What is the role of prokinetic agents in the treatment of ileus?
Help stimulate bowel motility
What is the classic age range for the presentation of pyloric stenosis in infants?
What symptom is the most characteristic?
3-6 weeks of life
Projectile vomiting
What is the typical physical exam finding in an infant with pyloric stenosis?
Olive-shaped mass in the RUQ
What imaging modality is most commonly used to confirm the diagnosis of pyloric stenosis?
Ultrasound
What is the first line treatment for pyloric stenosis?
Pyloromyotomy
What is the primary cause of pyloric stenosis?
Muscle hypertrophy
What is the primary cause of nutritional rickets?
What population is at highest risk?
Vitamin D deficiency
Exclusively breastfed infants without vitamin D supplementation
What is the classic radiographic finding in a child with rickets?
Cupping and fraying of the metaphyses
What lab value is typically elevated in rickets?
Alkaline phosphatase
What is the most common skeletal deformity seen in rickets?
Bowing of the long bones
What is the most common symptom of celiac disease in children?
Chronic diarrhea
Which serological marker is most commonly used for screening celiac disease?
What is the definitive method for diagnosing?
Anti-tissue transglutaminase (tTG) antibodies
Endoscopic biopsy of the small intestine
Describe some of the findings of a positive celiac disease biopsy?
- Villous Atrophy: Villi of the small intestine are flattened or atrophied
- Crypt Hyperplasia: The crypts of Lieberkuhn, the glands lining the small intestine become elongated and hyperplastic
- Increased lymphocytes
What is the most likely complication of untreated celiac disease?
Osteoporosis
*This does come up frequently on EORE’s and the PACKRAT
What is a non-gastrointestinal manifestation of celiac disease?
Dermatitis herpetiformis
What is Zenker diverticulum and where is it usually located?
An acquired outpouching of the esophagus which is typically found at the junction of the pharynx and esophagus
What is the most common presenting symptom of Zenker divericulum?
What is a common complication?
Dysphagia
Aspiration pneumonia
What diagnostic test is most commonly used to identify Zenker diverticulum?
Barium swallow study
What is the treatment for Zenker diverticulum?
Surgery (Diverticulectomy)
What anatomical defect contributes to the formation of the Zenker diverticulum?
Weakness in the cricopharyngeal muscle
What diagnosis is defined as a painful tear in the lining of the anus?
Anal Fissure
What symptom is most characteristic of an anal fissure?
Severe pain during and after bowel movements. Patient will typically refrain from defecating.
Also, bright red blood per rectum.
Where are anal fissures most commonly located?
Posterior midline
What is the first line treatment for an acute anal fissure?
What pharmacologic treatments are typically used?
Supportive measures: Sitz baths, analgesics, high fiber diet, increased water intake, stool softeners, laxatives
Second line: topical nitroglycerin or calcium channel blockers
What is the primary cause of GERD?
Incompetence of the lower esophageal sphincter (LES)
What is the typical symptom of GERD?
What are some atypical signs of GERD?
Heartburn - often retrosternal and postprandial (pain can increase in the supine position)
Hoarseness, aspiration pneumonia, wheezing, chest pain, cough (esp kids)
Which diagnostic test is considered the gold standard for diagnosing GERD?
Esophageal pH monitoring
*It is rarely done in clinical practice, GERD is a clinical diagnosis
What medication class is considered first-line for GERD?
H2 Receptor Antagonists
What is a potenital complication of chronic untreated GERD?
Barrett’s Esophagus
Which symptom suggests that a patient with GERD might have developed a more serious condition like Barett’s esophagus or esophageal cancer?
Dyshagia
Which surgical procedure may be considered for patients with severe, refractory GERD?
Fundoplication
What is the most common esophageal neoplasm?
Squamous cell (in the mid to upper third of the esophagus)
What are risk factors of adenocarcinoma esophageal neoplasms?
Barrett’s esophagus (complication of GERD), smoking, and high BMI
What is etiology of gastritis?
Inflammation of the superficial lining of the stomach mucosa
What is the most common cause of gastritis?
What are some other causes?
H. pylori
NSAIDs (second m/c), acute stress, ETOH, medications, pernicious anemia
What is the diagnostic test of choice for gastritis?
Uppoer endoscopy with biopsy
*should also test for H. pylori
A patient presents with GERD like symptoms that are refractory to PPI treatment. What is the most likely diagnosis?
Hiatal hernia
What demographic is most commonly affected by rectal prolapse?
Elderly women
A palpable mass protruding the anus would be consistent with what diagnosis?
Rectal Prolapse
What underlining genetic condition is related to an acute rectal prolapse in children?
Cystic Fibrosis
What is the initial management step for an acute rectal prolapse?
What surgical procedure is often performed to correct rectal prolapse?
Manual reduction of the prolapse
Rectopexy
What is the most common cause of cirrhosis?
Chronic Hepatitis C is the most common cause
What biological process requires albumin?
Albumin is needed for transport of hormones, fats, nutrients. It also helps maintain intravascular and osmotic pressure.
Bilirubin is a byproduct of what?
Breakdown of RBCs
What is the pathology of cirrhosis?
Inflammation and fibrosis of the liver
Fibrosis will block the flow of bile or blood within the liver lobule which leads to hepatic impairment —> Jaundice and portal HTN
What is the major complication of cirrhosis that involves the accumulation of fluid in the abdomen?
Ascites
Which scoring system is used to assess the severity of cirrhosis?
Child-Pugh score (calculates 1 and 2 year survival)
Places a score based on:
* Total Bili
* Serum albumin
* PT INR
* Acites
* Hepatic encephalopathy
Which dietary recommendation is often advised for patients with cirrhosis and ascites?
Low-sodium diet to reduce ascites
A patient with cirrhosis should be screened for hepatocellular carcinoma how frequently?
Every 6 months via US
List three common causes of constipation in adults?
- Low fiber diet
- Insufficient fluid intake
- Physical inactivity
What dietary recommendation is commonly given to help alleviate constipation?
Increase dietary fiber intake
Which OTC is commonly used first-line for constipation?
Bulk-forming laxatives, such as psyllium husk (Metamucil)
Name two potential complications of chronic constipation?
- Hemorrhoids
- Anal fissures
What is a common side effect of opioid medications related to the GI system?
Constipation
Name a commonly used osmotic laxative for treating constipation?
Polyethylene glycol (Miralax)
What is the recommended daily fiber intake for adults to help prevent constipation?
25-30 grams per day
Which medical conditions are commonly associated with constipation as a symptom?
- Hypothyroidism
- Diabetes
- Irritable bowel syndrome (IBS)
- Depression
- Parkinson’s Disease
- MS
- Hyper/hypocalcemia
- Celiac Disease
- Spinal cord injury
What is a Mallory-Weiss tear?
What is the most common cause?
A tear in the mucous membrane at the junction of the esophagus and stomach
Forceful or prolonged vomiting or retching
What symptom is most commonly associated with Mallory-Weiss tears?
Hematemesis (vomiting blood)
Which diagnostic test is most commonly used to confirm a Mallory-Weiss tear?
Upper endoscopy (EGD)
Name the most common risk factor for a Mallory-Weiss tear?
Alcohol abuse/Binge Drinking
What is hyperemesis gravidarum?
A severe form of nausea and vomiting during pregnancy that can lead to dehydration, weight loss, and electrolyte imbalances
What is cyclic vomiting syndrome (CVS)?
A disorder characterized by recurrent, severe episodes of vomiting with no apparent cause
Which medication is commonly used to treat severe cases of hyperemesis?
Ondansetron (Zofran)
Name a neurological condition that can cause hyperemesis?
Mirgraine