UWorld Step 2 Notes Flashcards
Defect in b-cell tyrosine kinase
Bruton agammaglobulinemia
Skin infections
Mucosal infections
Poor wound healing
No pus
CBC lab?
Leukocyte adhesion deficiency
Neutrophilia
Increased C2b and bradykinin
C1 inhibitor deficiency
Low C1q
Acquired angioedema (over 30 y/o)
Causes of pericarditis
Cards surgery, TB, radiation, malignancy, uremia, virus, idiopathic, connective tissue disorders
Kussmaul’s sign
Sign of?
No decrease in JVP on inspiration
Defective/restricted RV
Systolic HTN, normal diastolic BP
Elderly w/ stiff vessels
Lipid lowering therapy guidelines
- Clinical atherosclerosis (moderate if over 75, high if under 75)
- LDL > 190 (high)
- 40-75 w/ DM (high if over 7.5% risk, moderate if under 7.5% risk)
- 10 year risk > 7.5%
High intensity statins
Atorvastatin (high dose)
Rosuvastatin (high dose)
Risk factors for PACs (4)
Caffeine, smoking, EtOH, stress
Signs of AS + thrill above sternum
What else will they have? Why?
Supravalvular AS
Exercise-induced ischemia 2/2 coronary artery stenosis
Papillary muscle rupture…which infarct?
RCA
Free wall rupture…which infarct?
LAD
Endocarditis –> aortic regurg and AV block
Perivalvular abscess
Gross hematuria after sudden severe pain in upper abdomen + Hypotension
AAA rupture –> fistula w/ IVC –> retroperitoneal vein backup –> bladder vein rupture
Post-op…fever…cloudy fluid…widened mediastinum
Tx?
Acute mediastinitis
Surgery + Abx
Chest pain + stable…workup/tx?
- Aspirin (unless dissection)
- EKG
- CXR
- Treat problem
STEMI - tx?
Emergency cath or thrombolysis
NSTEMI - tx?
Anticoagulation
Exertional syncope…cause?
Outflow obstruction
B/l hip, thigh, butt claudication + impotence + b/l LE atrophy
Occlusion at aortoiliac junction (Leriche syndrome)
Hypertrophic cardiomyopathy…genetic inheritence?
AD
Most common arrhythmias after an MI
V tach
V fib
A fib…assess what?
Clot risk via CHA2DS2 VASc
CHF HTN Age > 75 (2) DM Stroke/TIA/TE (2) Vascular dz Age 65-74 Sex category (female)
CHADS-VASc…when to anticoagulate?
Use what?
2+
Warfarin, NOT aspirin
S4 after severe chest pain
MI –> myocardial stiffening
DeGeorge symptoms
CATCH 22... Conotruncal cardiac defects (truncus arteriosus) Abnormal facies Thymic aplasia Cleft palate HYPOCALCEMIA
When to do surgery for carotid atherosclerosis (3)
- Men > 50% w/ symptoms
- Men > 60%
- Women > 70%
Adenosine…used in what?
Why?
SVTs
Slows supraventricular and AV conduction, revealing P waves
Order of most important things to lower BP
- Weight loss
- DASH diet
- Exercise
- Sodium restriction
- Alcohol restriction
Systolic murmur at lower sternal border that increases w/ respiration
Tricuspid regurg
Firm hyperpigmented nodule on lower extremity that dimples in the center when pinched
Dermatofibroma
Firm mobile cyst or nodule that recurs
Epidermal inclusion cyst
Chronic, relapsing skin condition w/ abscesses and sinus tracts and scarring
Hydradenitis suppurative
Red plaques w/ vesicles or pustules, Candida
Intertrigo
Furuncle = what?
Staph abscess
Pituitary mass + increased prolactin + decreased everything else
Non-secreting macroadenoma
Pituitary mass + decreased LH + increased prolactin
Prolactin-secreting microadenoma (Prolactin suppresses GnRH)
HTN, taking diuretic –> develops low K+ and still has HTN
Primary hyperaldosteronism (prone to diuretic-induced hypoK)
Cabergoline…MoA?
Other one like it?
Dopamine agonist
Bromocriptine
Sudden onset symptomatic hyperkalemia…think what?
Malignancy
2 Ab types in hypothyroidism
Which one has large thyroid and recurrent pregnancy loss?
Anti-TPO
TSH receptor-blocking
Anti-TPO
Hyperthyroid drug major side effect
Others?
Agranulocytosis
Child, distal extremity myotonia, testicular atrophy, baldness
Myotonic congenital myopathy (AR)
Diabetic gastroparesis…tx?
Metoclopramide
Small vs large fiber DM neuropathy
Small - pain, paresthesias
Large - numb, loss of prop/vib, loss of reflexes
How to calculate attributable risk?
(RR-1)/RR
Symptomatic bradycardia…Tx?
IV atropine
IV epi or Dopamine if bad
Pacing is worst case
Fusion/capture beats…rhythm?
V tach
Tx stable V tach
Amiodarone
Tx SVT stable
Carotid massage
Rate control (esmolol, dig)
Adenosine if super fast
Tx SVT unstable
Cardiovert
Best way to slow DM nephropathy
BP control (ACEI/ARB)
Intense glc control in DM…purpose?
Prevent nephropathy and retinopathy (MICROvascular issues)
CT contrast –> proptosis, lid lag, fever, delirium, vomiting
Thyroid storm precipitated by IV iodine in person w/ hidden hyperthyroidism
Corrected Ca for low albumin
Low albumin = what for Ca?
Ca + (.8)(4-alb)
Low TOTAL Ca++ but normal IONIZED Ca++
Secondary amenorrhea…workup?
- Pregnancy test
- TSH/Prolactin/FSH
- Scope if prior surgery or infection
Hashimoto’s vs. Painless vs. Grave’s
Hashimotos - diffuse painless goiter
Painless - brief hyperthyroid, small goiter, then recovery, DECREASED iodine uptake
Grave’s - INCREASED iodine uptake
Things that cause ox. stress in G6PD
Sulfa drugs Fava beans Nitrofurantoin Antimalarials Infections
Heinz body
Seen in what? (4)
Damaged, clumped hemoglobin
G6PD, Alpha thal, Chronic liver dz, NADPH deficiency
Prussian blue positive urine stain
Hemosiderin - G6PD
Atypical glandular cells on pap…workup?
Colp + ECC + EMB
McCune-Albright…symptoms (3)
Cafe-au-lait spots
Polyostotic fibrous dysplasia
Endocrine hyperfunction (precocious puberty, etc.)
Kallman syndrome…genetics?
X-linked
Indications for endometrial biopsy
Under 45 w/ AUB and cause for extra estrogen OR failed medical management OR Lynch syndrome
Over 45 w/ AUB or PMB
Ovarian torsion…abdominal exam?
MASS
Severe (sick) PID…tx?
Hospital
IV cef + Oral Doxy
(IV clinda + IV gent)
Metro if TOA present
Why does estrogen cause HTN?
Increased angiotensinogen by liver –> increased aldosterone
Hirsutism vs. Virilization
Hirsutism - excess body hair
Virilization - clitoromegaly, aggressive, deep voice
Endometriosis - Tx?
- NSAIDs, OCPs
2. Laparoscopy
Condyloma accum - Tx?
Topical acetic acid
Podophyllin resin
Genital lesion w/ broad base, velvety, lobulated or plaque like
Condyloma lata
Pt had Roux-en-Y bypass surgery –> 5-6x per day fatty diarrhea, abdominal pain, weight loss, anemia, vitamin deficiency, flatulence
How to diagnose?
SIBO
- Jejunal aspirate
- Carbohydrate breath testing
High homocysteine
Normal methylmalonic acid
Folate deficiency
Microvesicular steatosis
Reye syndrome
Macrovesicular steatosis
EtOH hepatitis
NAFLD
Periportal eosinophilic inclusion bodies
A1ATD
Sinusoidal congestion, hemorrhagic necrosis
CHF liver
Bile plugs, portal edema, fibrosis
Biliary atresia
Pancreatic CA w/ jaundice…U/S or CT?
U/S
Pancreatic CA w/o jaundice…U/S or CT?
CT
3 requirements for acute liver failure diagnosis
Elevated LFTs
Signs of hep enceph.
INR > 1.5
3 requirements for ARDS diagnosis
B/l alveolar infiltrates
PaO2/FiO2 < 200
PCWP < 18
PBC…tx?
Ursodeoxycholic acid
Autoimmune hep…ab?
Tx?
Anti-smooth muscle
Steroids
Causes of niacin deficiency
Prolonged INH Alcoholism Chronic illness Carcinoid syndrome Hartnum dz Nutritional def.
Cyclic vomiting syndrome…look for what?
FHx of migraines
Angiodysplasia…usually diagnosed in who?
vWD
Renal failure
Aortic stenosis
When will bilirubin be in the urine?
Conjugated hyperbilirubinemia (unconjugated is bound to albumin, not excreted)
Low vs. high stool osmotic gap
Low = secretory High = osmotic
Why do you get NAFLD in DM?
No insulin response –> peripheral lipolysis –> TG synthesis and hepatic uptake of FFAs –> oxidative stress on liver –> NAFLD
DES or Achalasia…Tx?
Why do they work?
CCBs or Nitrates
Relax smooth muscle (esophageal too)
Duodenal villous atrophy…dx?
Look for?
Celiac dz
Iron deficiency
When do you take the colon out in FAP?
Significant increase in polyps (20s) or malignancy
Fatty stools, weight loss, ulcers in duodenum and jejunum…why these symptoms?
Zollinger-Ellison
Gastric acid inactivates pancreatic enzymes in duodenum
Impaired glucose control in DM…what vitamin deficiency?
Chromium
Brittle hair, skin depigmentation, neuro issues, sideroblastic anemia, osteoporosis…what vitamin deficiency?
Copper
Thyroid issue, cardiomyopathy, immune dysfunction…what vitamin deficiency?
Selenium
Alopecia, pustular rash, hypogonadism, impaired wound healing, impaired taste, immune dysfunction…what vitamin deficiency?
Zinc
Acalculous cholecystitis…what is it?
Trauma or illness or surgery –> stasis or ischemia of GB –> inflammation
Jaundice, fever, RUQ pain
Charcot triad – cholangitis
Air-fluid level in GB, air in biliary tree, crepitus on palpation over GB
Tx?
Emphysematous cholecystitis
Emergent cholecystectomy + Unasyn abx
Reversible risks for pancreatic cancer
Smoking
Obesity
Hepatic hydrothorax
Peritoneal fluid passes through defects in R diaphragm into pleural space (cirrhosis)
3 reasons for physiologic jaundice
- High RBC turnover
- Slow hepatic UGT
- Sterile gut = no bacteria to break down bilirubin = gets reabsorbed
C diff…tx for mild, severe, and horrible
Mild = Oral metro Severe = Oral vanc, IV metro Horrible = surgery
At 1 year old, where should height and weight be?
Weight = tripled Height = 1.5x
Folic acid supplement –> progressive LE neuro damage
What will be fixed?
SCD (need B12 too)
Megaloblastosis
Hereditary spherocytosis –> cholecystitis…why?
RBC breakdown –> bilirubin collection –> pigment gallstones
Sideroblastic anemia, dimorphic RBC population
Causes?
Low B6
Low pyridoxine** Lead poisoning** Copper deficiency Antimicrobials Zinc excess
Unexplained thrombocytopenia…check what?
HIV
Factor V Leiden = what?
Protein C resistance
Causes of acquired AT deficiency? (3)
DIC
Cirrhosis
Nephrotic syndrome
Anabolic steroids…what to see for H/H, LDL, HDL, LFTs
High H/H
High LDL
Low HDL
High LFTs (hepatotox.)
Aplastic anemia
Ear problem
Skin spots
Fanconi anemia
High metamyelocytes
High myelocytes
Leukemoid reaction
CML
Abnormal eosin-5 maleimide binding test
Hereditary Spherocytosis
Protein - Albumin > 4
Multiple myeloma until proven otherwise
Hydroxyurea side effect
Myelosuppresion (neutropenia, etc.)
Sounds like G6PD, G6PD assay is normal
G6PD
Deficient RBCs are destroyed, reticulocytes have normal G6PD