pp Flashcards
conjugated bilirubin causes (2)
Unconjugated bilirubin (2)
- parenchymal liver disease ( Viral hepatitis, NASH, Alcoholic heptatitis)
- cholestatic disorders
- hemolysis
- ineffective erythropoisis
- gilbert disease
de ritis ratio
decreases in ?
increases in?
De ritis ratio
decreases:
- viral hepatitis
- minor fatty liver disease
- extrahepatic cholestasis
increase:
- alcoholic hepatitis
- necrotic hep
- cirrhosis
- HCC
- liver metastasis
which method is used to detect hematuria? and how does it yield the + result?
dipstick
-colour change compare it to color on the box
acute nephritis syndrome and nephrotic syndrome are both associated with generalised edema. Through which mechanism does edema develop in these syndrome? ( 2 points)
- Nephritis: Oligo-anuria and volume retension
- Nephrosis: heavy proteinurea and hypoalbuminemia
List 3 features that indicate radiologic intervention (stent implantation/angioplasty) in case of renal artery stenosis (3 points
- Very high BP not responding to therapy
- Rapid worsening of renal function not responding to therapy
- Flash pulmonary edemas
A young patient on hemodialysis asks for a lab measurement immediately after her dialysis treatment. Laboratory results include eGFR 18 ml/min/1.73m2. After seeing this number, the patient suggests the suspension of dialysis. How would you respond to this request? Explain your answer briefly (2 points
• Reject the idea, because eGFR was designed to assess renal function in steady state conditions and the results are misleading/ should not be used in dialized patients/ more than a single number indicates dialysis ( eg. Anuria
Multiple myeloma. What is the mechanism of acute kidney injury in this case? (2p)
• Monoclonal proteins are filtered (light chains) and combined with Tamm-horsfall glycoprotein, they occlude the tubuli
Calcium in hypoalbuminemia
The normal range of total Ca is shifted lower ( if albumin decreases by 10 g/l ; normal Ca range goes down by 0.2 mmol/l
isostenuria
neither concentrated nor diluted urine
- A 66 year old female patient is admitted to hospital because of chest pain and dyspnea. Her lab parameter on admission include :
Creat= 1666 umol/l CN= 12.5 mmol/l Hgb= 122g/l Na=142 mmol/l K= 4.6 mmol/l BP= 160/84 mmHg HR= 92/min NSTEMI is diagnosed and she undergoes urgeny coronangiography and stent implantation 3 days later lab results include: Creat= 320 umol/l CN=25 mmol/l Hgb= 120 g/l Na= 141 mmol/l K= 4.9 mmol/l She seems to be well hydrated and her BP is 144/80
Q) give the 2 most probable reason for acute kidney injury in this setting? (2p)?
atheroembolisation , contrast nephropathy (ATN)
one year later, re- coronarography is planned. Which of the listed should be suggested to the patient before the planned intervention
- drink a LOT of fluid the dAY BEFORE and on the day of planned intervention, to produce about 3 L of urine / day, To avoid cardiac decompensation
- continue taking aspirin
- STOP taking NSAID pain killers
- STOP ACE-I
- drink a LOT of fluid the dAY BEFORE and on the day of planned intervention, to produce about 3 L of urine / day, To avoid cardiac decompensation (YES)
- continue taking aspirin (YES)
- STOP taking NSAID pain killers ( YES)
- STOP ACE-I (NOOO)
- A 64-year old patient comes to the nephrology outpatient unit with the following lab parameters
WBC=6 g/l Hgb= 95 g/l Creat=450 umol/l Na= 145 mmol/l K=5.5 mmol/l Ca= 2.6 mmol/l Po4 = 2.05 mmol/l Albumin= 25 g/l (N= 35-50) Urine SG = 1010 g/cm3 Ph= 5.5 CN= 28 mmol/l Blood= negative Protein-creat ratio 300 mg/mmol
Two months ago, his serum creatinine was 98 umol/l a.
- Did he produce diluted or concentrated urine (1p)?
- b. How would you evaluate serum Ca level? (2p)?
- c. You perform a renal US. What is the most relevant differential diagnostic question you would like to answer with the US?(1P)
- d. Based on the US findings and the clinical picture you suspect ?
- e. What is the mechanism of acute kidney injury in this case? (2p)
- a. neither= isostenuria
- b. Its high because in hypoalbuminemia the normal range of total Ca is shifted lower ( if albumin goes down by 10 g/l ; normal range of total Ca goes down by 0.2 mmol/l ; would be 2.4)
- c. Exclude post-renal kidney injury
- d. Multiple myeloma
- e. Monoclonal proteins are filtered (light chains) and combined with Tamm-horsfall glycoprotein, they occlude the tubuli
35 year old male patient
creat= 130 umol/l
urine blood ++
urine pro/creat = 65mg/mmol
patient never saw blood in urine
he has undergone urologic evaluation which didnt reveal any reason for bleeding
patient tell you he has similar results years ago but nobody cared/worried about parameters
- How large is the estimated proteinurea?(1p).
- Which glomelular disease is the most probable reason for the lab result?(1p)
How large is the estimated proteinurea?(1p). 650mg/day
Which glomelular disease is the most probable reason for the lab result?(1p) IgA nephropathy
list 3 reasons why living donor kidney transplantation is preffered to ceased donor transplantation?
- better short/long term survival
- faster recovery of renal function
- planned surgery (minimal ischemic time)
A young man wanted to commit suicide and took 15g paracetamol.
- What is the severe GI complication of the attempt?(1p)
- antidote?
• Acute liver failure
What would you suggest as a antidote? • N-acetyl cystein
- what does the “window period “mean in the diagnostics of hepatitis B infection? (2p)
- HbsAg (hepB surface antigen) has already disappeared
- Anti-Hbs is NOT present yet
How can you prove the infection is in the window period ? (1p)
• Postive anti-Hbc ( IgM) (anti hepB core antibodies
define and which disease is it suspected in
Mcburney point tenderness
cullen sign
klatskin tumor
Mcburney point tenderness = right sided tenderness at the outer 2/3 of the way from umbilicus – anterior superior iliac spine line (ASIS)
- in Acute appendicitis
cullen sign : hemmoragic discolouration of skin around umbilicus
- acute hemmoragic pancreatitis
klatskin tumor = type of cholangiocarcinoma develops in cells which line bile ducts in liver , occurs where right and left hepatic bile ducts meet
List 2 extra intestinal skin manifestation of IBD (2)
other manifestations also
- erythema nodosum
- pyoderma gangrenosum
- uveitis
- scleritis
List the potential treatment options in uncomplicated symptomatic diverticulosis?( 3 points)
- Diet: high fiber content, avoid nuts and seeds
- Increase physical activity
- Drug: Rifaximin
A 56 year old man is sent to gastroenterologist because of producing black stool repeatedly. Gastroscopy, colonoscopy, abdominal CT and US were negative. Lab results show a mild degree iron-defiency anemia. Symptoms persist, and the stool is consistently + for occult blood. (5points
a. What would the next diagnostic approach (1p)?
b. The bleeding was confirmed by this approach. Which method would you suggest as the next diagnostic step (1p).
c. List two groups of drugs the may provoke bleeding and affect the result of the diagnostic procedure? (2)
d. If the patient was hospitalised before the planned diagnostic evaluation because of heavy bleeding (requiring 4 packs of RBC transfusion/day) What would be the first diagnostic tool to identify the source of bleeding(1) ?
a. • Capsule endoscopy
b. Enteroscopy
c. • Anticoagulant • Antiplatelet drugs • NSAIDs
d. CT - angiography
Evaluate (true/false) the following statements about celiac disease, with a brief explanation (3p
a. The single peak of incidence of celiac disease in early childhood.
b. celiac disease can be readily managed by drug treatment
c. Untreated celiac disease is associated with increased risk of malignancy
a. The single peak of incidence of celiac disease in early childhood. ( FALSE , there’s a 2nd peak in young adults)
b. celiac disease can be readily managed by drug treatment (FALSE , no drugs are available !!! diet is essential to be kept)
c. Untreated celiac disease is associated with increased risk of malignancy (TRUE , eg: enteropathy- associated T-lymphomas)
Does it have any relevance whether a 55 ml min 1,73m2 estimated GFR value belongs to a 23-rearold male or a 82-year-old female? Explain your answer! (3 ponts).
in the young this value is much smaller than the expected 120 ml min 1,73m2, and require further evaluation .
• In the old it is very close to the axpected 60 ml min1,73m2 and represents the physiologic decrease in GFR with aging
A25year-old male patient arives at the nephrology outpatient unit. He has had sore throat for 2 days. Yesterdav he saw some blood in his urine. Se creat is 89 umol/l, urine protein-to- creatinine ratio is 53 mg/mmol . Microscopic anaysis of the urine sediment reveals dymorphic red blood cells (RBC3).
a. What does the term “dysmorphic RBCS” mean (1 point)? RBC: of diferent shape glomerular origin of bleedin
b. How large is the estimated daily proteinuria (1 point)?
c. Based on the clinical picture, what is the most probable diagnosis (1 point)?
d. Which diagnostic step can confirm this diagnosis? What would be a characteristic finding? (3 6 points)
a. RBC: of diferent shape glomerular origin of bleeding
b. •530 mg/day
c. •IgA nephropathy
d. Dg step: kdney biopsy
Finding: mesangial proliferation
60 -year old man sent to the outpatient clinic because of resistant hypertension.
List four features findings that rase the suspicion of a renovascular hypertension in this case (4)
- Generalized atherosclerosis ,
- abdominal bruit
- smaller kidney on ulraround
- hypokalemia.
- Worsening renal function
List the most important differences between induction and maintenance immunosuppression applied for the treatment of a glomerulonephritis! (3 points)
Aim: reach immunologic and clinical remission/. prevent recurrence
- Duration : shorter (some months) vs / longer (more than a year)
- Corticosteroid dose : large dose / vs. preferably steroid free
62 year old patient amves at the outpatient unit His past medical history includes hypertension and T2 diabetes mellitus for 15 years. eGFR is 25 ml min 1,73m, protenuia is 11 g/ day previous data about kidney function are not available Abdomial ultrasound reveal that both kidneys length is 8 cm, with 8 mm thick, echogenic parenchyma. -
Would you perform renal biopsy to determine the origin of the kidney disease Explain your answer! 2points)
No because in case of CKD + bilateral small kidneys biopsy is NOT indicated/ not informative
List four indications of the acute dialysis treatment! (4 point
- refractory hypervolemia/hyperkalemia/acidosis
- severe uremia
- pericarditis
- certain poisonings (ethylene glycol, methanol)
List four lifestyle recommendations you would give to a patient with recurrent Ca-oxalate kidney stone (4 poin
- Increase fluid intake, with even distribution of intake throughout the day , increase fruit consumption (NOT vegetables)
- Protein intake is preferrably fish
- increase citrate intake
- Decrease purine and oxalate intake ( less almond, spinach, potatoes
List three conditions which result in steatorhhea (3points
- chronic pancreatitis,
- cholestasis,
- cirrhosis,
- ileum resection
* extensive crohn’s disease
• Malabsorption (including celiac disease)
For the diagnosis of which disease do we use urea breath test? What substance do we measure during the test? How is this substance produced (3points)
H pylori infection
Labeled radioactive CO2. : the bacteria cleaves it from urea using urease
A 44-year-old male patient has been experiencing difficulty of swallowing for months. Swallowing of solid food and liquids are both impeded and he often has regurgitation. He started taking proton pump inhibitors, but it did not relieve his symptoms. Upper endoscopy revealed dilated esophagus with remnants of food in it. No suspicion of a malignant tumor was raised
a. What is the most probable diagnosis according to the clinical picture? (1 point)
b. What is the potential cause of the disorder? (1 point
c. would you confirm the diagnosts? (1 point)
a. Achalasia
b. damage of the myenteric plexus
c. manometry
List 2-2 common diseases or conditions that are typically associated with conjugated or unconjugated hyperbilirubinemia in adult patients! Please do NOT list Crigler-Najar, Dubin- Johnson or Rotor syndromes! (4 points)
Conjugated:
- Parenchymal liver disease (viral hepatitis, NASH, alcoholic hepatitis),
- cholestatic disorders
Unconjugated:
- hemolysis ,
- ineffective erytiropoiesis,
- Gilbert’s disease
List 4 differences between ulcerative colitis and Crohn’s disease
- Typical location: UC: rectum and proximal (colon) CD: terminal ileum
- Extent of inflammation of the bowel wall: UC: superficial. CD: transmural.
- Continuous vs patchy is also accepted as answer.
- Fistula development: UC: not typical CD: common fistulas
- Occurrence of bloody diarrhea: UC: typical sign, CD: rarely occurs
How do you interpret the following findings for Hepatitis B serology
- Immunized
- active chronic infection
- chronic HBV infected
- previous infection
- acute window period
- immunized due to previous Hbv
List 4 disorders that are typically associated with acute pain in the lower right quadrant of the abdomen (4 point)
acute appendicitis
- Mesenteric lymphadenitis
- Meckels diverticulum
- Enteritis regionalis ( Morbus crohn)
- Diverticulitis sigmae ( sigmae longata)
- Cecum tumor
- Adnexitis acute • Ovarian cyst rupture • Ureteral stone • Acute cystitis • Extrautering gravidity
A 40 year old male patient is sent to the nephrology outpatient unit. lab parameters: creat= 133 umol/l urine blood ++ urine protein-to-creat ratio 90 mg mmol The patient has never seen blood in his urine. He has already undergone urologic evaluation which didn’t reveal any urologic reason for the bleedinh. The patient tells you that he had similar lab remarks years ago, but then nobody cared. Worried about the parameters
- By which method was the hematuria detected?
- How does this method yeild the ++ result?
- How large is the estimated daily proteinurea ?
- Which glomerular disease is the most probably reason for the lab result?
- You perform renal biopsy. What is the characteristic feature under light microscope
Dipstick
Color change- compare it to scale
- 0.9g
- IgA nephropathy
- MESANGIAL proliferation
List three features that indicate radiologic intervention (stent implantation/angioplasty) in case of renal artery stenosis (3)
- Severe hypertension (unresponsive to conservative treatment)
- Rapid worsening renal function
- Pulmonary edema
A 62 year old male patient arrive at the nephrology outpatient unit with the following lab parameter eGFR= 13ml/min/1.73m2 hbg=109 g/l k=5.5 mmol/l Ca=2.4 mmol/l PO4= 2.7 mmol/l Alb= 36 g/l PTH=680 pg/ml pH= 7.32
- Do these lab parameter justify immediate dialysis treatment (2p)?
- Do you have to start EPO treatment? (2p)
- why is PTH profoundly elevated?
- give 2 drugs that can correct the patients abnormal Ca-PO4 homeostasis? (2)
- No, because there is severe hyperkalemia/acidosis
- No, because EPO is needed if hbg<100 g/l • hbg (109) is in the desired range
- Secondary hyperparathyroidism
- Active vitamin D ( alphacalcidol, calcitriol) • Phosphate-binders ( Ca-carbonate, Ca-acetate)
List 3 contraindication of peritoneal dialysis(3p
- Extreme obesity/thiness •
- Poor hygiene
- Anuria
- uncorrected hernia
- abdominal stoma
List the 3 most common reasons for lower tract non-hemmorhoid GI bleeding in the elderly
• Diverticulosis • Tumors • Angiodysplasia
list 3 signs/symptoms/features affecting 3 different organs that raise suspicion of wilson disease in young patient
- hepatitis/cirhosis
- kayser fleischer ring (eye)
- motor disturbances ( ataxia=loss cordination, dystonia= involuntary contraction, dysarthia- motor speech disorder )
A 52 years old male patient is sent to hospital because of the suspicion of a mild acute pancreatitis . There are no …. Of hemmorage complication or shock.
- You ask questions to find the cause of the conditions . which 2 features should your questions focus on in order to find out the most probable? Most common reason for acute pancreatitis? (2p)
- you perform physical investigation and try to find features characteristic for acute pancreatitis (6p)
- Skin colour:
- Abdomen:
- Bowel sound: —— because of a ——
- Presence of defense:
- Liver dulness :
-1. Alcohol consumption 2. Known gallstone
-
- Skin colour: can be jaundice
- Abdomen: bloated
- Bowel sound: diminished because of a refratory ileus
- Presence of defense: No
- Liver dulness : maintained
List 2 routine lab alteration ( NOT serology , endocrine panel) that can refer to celiac disease?
- Elevated GOT/GPT
- Iron defiency
- Anemia
Which esophageal disorder are characterized by this descriptions? (2p)
• A young and healthy male patient start to vomit after alcohol consumption. Vomit becomes bloody. BP and HR remain normal after vomitting
MALLORY-WEIS SYNDROME
A middle age male patient experience severe chest after profuse vomiting. Withing 2 hours subcutaneous emphysema, hypotension and tachycardia appear
which esophageal disorder
BOERHAEVE SYNDROME
A young female patient is treated with cyclophosphamide and large dose oral corticosteroids for SLE. She experiences retrosternal pain on swallowing. On buccal mucosa and on the oropharynx, white plaque can be seen
Esophageal candidasis
A young female patient has difficulty of swallowing both solid food and liquid. She has heartburn despite PPI therapy. Upper endoscopy reveal retained food in the esophagus but no sign of malignancy
ACHALASIA
Middle age male undergoes upper endoscopy and biopsy. In the distal esophagus, intestinal metaplasia is observed
BARRETS esophagus
What does the term “ isostenuria” refer to? Which number characterises it?(2p)
- Urine osmolality of which is similar to that of the plasma /urine produced by neither concentrating nor diluting kidneys
- Urine SG= 1010-1012
- Urine osm = 290 mOsm/l
glomerular proliferation in
- post strep GN
- ANCA vasculitis + good pasture
- SLE nephritis + IgA nephropathy
post strep - endocapillary pro
- ANCA vasculitis + good pasture : extracapillary pro ( cresent formation)
- SLE nephritis + IgA nephropathy: mesangial pro
A 68 year old female patient arrives at the nephrology department outpatient unit. She complains about decreased appetite and she lost 5kg over 3 month She has diffuse joint swelling and pain and has subfebrility a couple of time. Her urine output seems normal and she has no peripheral edema. Lab analysis reveals Creat= 361 umol/l Hbg= 103 g/l Alb=34 g/l Proteinuria= 950 mg/day Urine blood ++ According to previous date she had normal kidney function 6 months before
- Which clinical syndrome does the description correspond to?(1)
- list 3 disease (or groups of diseases) that typically manifest as this syndrome? (3)
- you admit the patient to hospital and perform renal biopsy . under light microscopy what’s the expected pattern of proliferation?(1p
- Rapid progressive glomerulonephritis syndrome
- SLE NEPHRITIS , • ANCA vasculitides , • Good pasture syndrome
- Cresent formation/ extracapillary proliferation
List 4 typical signs and symptoms of schonlein henoch purpura
• Palpable purpura • Joint pain • Abdominal pain • GI bleeding • Hematuria • Worsening renal function