Week 4 (Exam 2) Flashcards
Who gets sinusoidal obstruction syndrome?
Stem cell transplant and chemo patients
People who drink exotic teas
Auto-immune pancreatitis Type 1 vs Type 2
Type 1: systemic, IgG4 related from plasma cells
Type 2: pancreas only (except in UC), Mass lesion
What is the classic presentation of a symptomatic, ruptured AAA?
Abdominal and/or flank pain
Hypotension
Shock / Pulsatile Abdominal Mass
What lab values are more specific for actute vs chronic changes in liver function?
Acute: PT
Chronic: Albumin
What are the black box warnings for Entecavir?
Severe acute Hep B exacerbations
Lactic Acidosis
Hepatomegaly
Esp those co-infected with HiV
CPA1
Carboxypeptidase A1
Exopeptidase in regulating zymogen activation
7q32
Palpable stool in abdomen, empty rectal vault, needing help to poop, failure to pass meconium in the first 1-2 days of life. What is the diagnostic test?
Rectal Bx for Hischprung
Diagnostic Labs of Chronic Pancreatitis
Fecal Elastase down below 100
Glucose / HbA1c (development of DM)
Elevated IgG4
Primary Sclerosing Cholangitis (PSC) Etiology
IBD (mostly UC)
Decreased risk with smoking and coffee
Where does Liver regeneration occur?
Canals of Hering
Pancreatic Intraepithelial Neoplasia (PanIN)
Non-invasive precursor lesion that leads to invasive pancreatic lesions
Treatment of hepatic encephalopathy
Lactulose to make 2-3 soft stools/day
How do you treat a Acetaminophen (Tylenol) overdose?
N-acetylcysteine (NAC) ideally within 8 hours of ingestion
Budd Chiari imaging findings
Occluded Hepatic or IVC flow
Prominent Liver Caudate Lobe on Imaging
Caval / spider web hepatic veins on venography
Nutmeg Liver
What 6 things developing within the first 48 hours indicate a worsening prognosis of acute pancreatitis?
Calcium less than 8 Hematocrit drop more than 10% O2 (arterial) less than 60 BUN rising above 5 Base deficit over 4 Sequestration of fluid over 6
Clinical presentation of Gallstones
Asx, initiated by eating a fatty meal
RUQ or Epigastric Pain (6 hours, progressive)
Radiates to Right Shoulder or Back
Presentation of Intrahepatic Cholestasis of Pregnancy
Benign, third trimester of pregnancy.
Itching, GI symptoms, Abnormal liver excretory tests
Cholestasis on bx
Treatment of alpha-1 antitrypsin deficiency
Stop Smoking Liver Transplant (children)
Acute Hepatitis Pattern
Acute Hepatitis PatterElevated Transaminase levels, various increases in other enzymes
What is an Indirect Coombs test?
Tests fir Abs that could hypothetically bind certain RBCs (if mixing / transfusion were to occur)
H&P of PBC
Hx of UTIs, smoking, hormone replacement, hair dye
Pruritus, Progressive Jaundice, Xanthelasma
Large HBsAg
Viral Envelope glycoprotein associated with complete virions
HBV Pol
DNA polymerase and Reverse Transcriptase activity
Weight Loss, Anorexia, Malaise
Signs of advanced pancreatic carcinoma
What are the TRUE liver function tests?
PT/INR Albumin Cholesterol Ammonia (AST and ALT are only for liver damage)
PiZZ Mutation
Glu to Lys at 342
mut a1AT-Z polypeptide is abnormally folded and polym.
Leads to ER stress, Unfolded Protein Response, Apoptosis. PAS+
Vinyl Chloride
Historical association with Angiocarcinoma
Primary Biliary Cirrhosis most characteristic finding
Anti-Mitochondrial Abs against E2 component of Pyruvate Dehydrogenase Complex (PDC-E2)
Labs of Hep B
Markedly Elevated Aminotransferases early in course
Choledochal Cysts
Congential dilations of the common bile duct
What are the drug interactions associated with Elbasvir / Grazoprevir?
Co-Admonistration with moderate CYP3A inducers not recommended (decreases plasma concentration)
Associated conditions of PSC
UC, Pancreatitis, Idiopathic Fibrosing Disease, Males
1 cause of Acute (Fulminant) Liver Failure
Acetaminophen
Alpha-1 Antitrypsin Deficiency Complications
Young age emphysema
Micronodular Cirrhosis, risk of HCC
Diagnostics for Non-alcoholic fatty liver disease
Ultrasound elastography (liver stiffness for fibrosis) Liver bx (diagnostic): polymorphonuclear neutrophil infiltration and Mallory Hyaline (same as alcoholic)
What is Murphys sign for?
Acute Cholecystitis
How does ARDS appear upon Xray?
Bilateral Diffuse Fluffly Infiltrates (white all over)
Treatment of Biliary Dyskinesia
Supportive
Low Fat Diet
Cholecystectomy
Morphology features of progressive chronic liver damage
scarring
Complications of Acute Pancreatitis
3rd Spacing
Pre-renal azotemia
Infected Necrosis
Acute Respiratory Distress Syndrome
Where is the narrowing of the esophagus that catches most orally ingested foreign bodies?
Upper Esophageal Sphincter: At the level of the aortic arch and diaphragmatic hiatus
What is the initial (non-surgical) tx for appendicitis?
NPO, IVF, Antiemetic, Pain Meds, maybe pre-op abx
Who is most at risk for Hep E?
Immunocompromised pts
Transplant pt tx w/ Tacrolimus can show chronic progressing to cirrhosis
Wilsons Tx
Oral Penicillamine, Liver transplant
Caroli Disease
Multifocal cystic dilation of large intrahepatic bile ducts
What is the MOA of Telbivudine?
Nucleoside Analogue
Treatment options for HCC
Surgery / Transplant
Radiofrequency Ablation
Transcatheter Arterial Embolization
Complications of Chronic Pancreatitis
Brittle DM
Pancreatic Insufficiency (steatorrhea, malnutrition)
Pancreatic CA
Findings of alcoholic steatohepatitis
AST:ALT is 2:1
Elevated Alk Phos
Single Large, hard, scirrhous tumor with fibrous bands and large polygonal cells with granular cytoplasm
Fibrolamellar Carcinoma (Hepatocellular carcinoma variant)
Presentation of Acute Pancreatitis
Epigastric pain boring straight through to the back
Cullen or Grey Turner’s
ARDS (Crackles, difficulty breathing)
(+) Chovstek and Trousseau
Biliary Dyskinesia Diagnostics
RUQ pains
Normal Ultrasound
HIDA scan: radio-nucleotides, abnormal ejection fraction (less than 35 - 38% get a cholecystectomy)
Most common congenital gallbladder anomaly
Folded Fundus: creates a Phrygian Cap
Hep C family
Single Stranded RNA
Wilson Disease Dx
Low Ceruloplasmin
High Serum Cu in liver, Basal ganglia, brainstem, cerebellum
Pancreas Wraps around C Loop of duodenum
Annular Pancreas
Small HBsAg
Viral Envelope glycoprotein released by infected hepatocytes free of viral core elements
Physical findings in Primary Sclerosing Cholangitis (PSC)
Prurutis, Jaundice
Fatigue
Osteoperosis
Can lead to ascending cholangitis (can be initial presentation)
Serous Cystic Neoplasm
Always Benign
Common on Pancreatic Tail
What labs do you want to monitor to screen for HCC?
Alpha Fetoprotein and Ultrasound every 6 mos
Lab finding in Pancreatic Cancer
CA 19-9 above 100 without biliary causes
Cirrhosis Pattern
Decreased Albumin, Elevated Gamma Globulins, Elevated PT
Choice of imaging for Budd Chiari
Contrast Enhanced Ultrasound
Color or Pulsed-Doppler Ultrasonography
Signs of Pancreatic Insufficiency
Steatorrhea
Fecal Elastase below 100
Detection of decreased fecal chymotrypsin
What are the 3 prognostic indicators for acute pancreatitis?
Ranson Criteria
BISAP
APACHE II
Single Best acute measure of hepatic synthesis function
Coagulation Factors
What is the most common location of intussusception?
Ilium into the coilon at the ileocecal junction
Peliosis
Efflux of hepatic blood is impeded
Lab findings in Alcoholic Liver Disease
AST 2x higher than ALT Bilirubin above 10 mg/dL Leukocytosis Anemia (usually macrocytic) Thromboctopenia, maybe PT prolongation
Mucenous Cystic Neoplasm
Almost all in women
Common on Pancreatic Tail
What are the Black Box warnings for Lamivudine?
Lactic Acidosis
Severe Hepatomegaly
Exacerbations of Hep B
Different Formulations
What do you use for serologic diagnosis of Hep B if the production of Anti-HBs is delayed?
IgM anti-HBc
Cavernous Hemangioma of the Liver
Most common benign neoplasm of liver
Often mistaken for malignancy
Tx of PBC
Ursodeoxycholic Acid (Liver transplantation if fails)
Treatment of Secondary Peritonitis
Surgery to plug the flora leak
Antibiotics (fluoroquinolone-esque abx + metronidazole)
Cullens and Gray Turners Sign
Abdominal Pain
Pancreatitis
Most likely cause of elevated conjugated bilirubin in an infant?
Biliary Atresia
What are the drug interactions associated with Ledipasvir / Sofosbuvir?
Poly Glycoprotein Inducers may alter concentrations (St Johns Wort, etc)
What is the threshold for diagnosis of an abdominal aortic aneurism?
3.0 cm
What type of cell death is seen in acute toxic or ischemic injury?
Coagulative Necrosis
HELLP
Hemolysis
Elevated Liver enzymes
Low Platelets
(this is eclampsia)
Radiological findings in Chronic Pancreatitis
Calcifications (tumefactive chronic pancreatitis)
Etiology of non-alcoholic fatty liver disease
Metaolic Syndrome (increases risk of CKD and colorectal CA)
Small portal vein obstruction cause 1
Schistosomiasis
Which is the Chovstek and which is the Troussseau sign?
Both are for hypocalcemia. Chovstek is a facial twitch, Trousseau is a hand posture upon blood pressure check
What is the MOA of Ledipasvir / Sofosbuvir?
Ledipasvir: Hep HCV NS5A inhibitor
Sofosbuvir: HCV Nucleotide Analog NS5B Polymerase Inhibitor
Wilson Disease H&P
Young: Hepatitis, Hemolytic Anemia, Neuro-Psych
Brownish Kayser Fleischer Ring around iris edge
ass’d with renal calculi, hemolytic anemia, subQ lipomas
What are the Indications of PEG IFN Alfa-2a?
Treating chronic hep C with compensated liver disease not previously treated with IFN-a.
Treating chronic Hep B in people with compensated liver disease and evidence of viral replication and liver inflammation
Trypsin Inhibitor
Kazal Type I (SPINK1)
MEN2A
Thyroid (elevated calcitonin)
Adrenal (elevated catecholamines)
Parathyroid (hypercalcemia)
Fibropolycystic disease of the liver lesion embryology
Ductal Plate malformation from persistent fetal periportal ductal plates
Increased risk of cholangiocarcinoma
What are the major risk factors of gallstones?
Family History, Fair, Fat, Female, Forty
Etiology of Biliary Dyskinesia
Unknown
Choledochal Cyst predisositions
Stone Formation
Stenosis and Stricture
Pancreatitis
Obstructive Biliary Complications within Liver
What family is Hep A in?
ssRNA
alpha 1 antitrypsin deficiency diagnostics
PiZ / PIZZ gene on chromosome 14
HCV characteristic histology
Portal tract expansion by a lymphoid follicle
What are the indications for Telbivudine?
Chronic Hep B patients with evidence of viral replication, persistent elevations in ALT or AST or histologically active disease
What is the best predictor of HBV chronicity?
Age at time of infection (younger more likely to be chronic)
How do you treat auto-immune hepatitis?
Prednisne
What is the MOA of Tenofovir?
Reverse Transcriptase inhibitor (remember HIV?)
HBx
Transcriptional Transactivator of viral genes
Implicated in related Hepatocellular Carcinoma
What are the major Unconjugated / indirect Jaundices?
Hemolytic Syndrome
Gilbert Syndrome
Crigler Najjar Syndrome
Primary Biliary Cholangitis (PBC) Etiology
Autoimmune destruction of small bile ducts, cholestasis
Female / 50 y.o. Predominance
Asx isolated elevation in Alk Phos OR impaired bile excretion
PBC Diagnostics
Antimitochondrial Abs (AMA) Increased Alk Phos and IgM
CCK functions
- Smooth Muscle Contraction (release bile from GB)
2. Tell Spincter of Oddi to Relax