ABFM Flashcards
Normal QTc?
Less than 440
Long term effect of phenytoin on bones?
Caused osteoporosis
Treatment for multiple myeloma?
Asymptomatic - no Tx
Symptoms - autologous stem cell transplant, if cant tolerate, melphalan and prednisolone. Radiation therapy for bone pain
Hematocrit>55%, pruritus with hot showers, and splenomegaly. Diagnosis?
Polycythemia Vera
Pediatric patient with palpable purpuric rash and normal platelets. Diagnosis?
Henoch Schonlein Purpura
Patient with supra-renal AAA. Differential dx of etiology?
Atherosclersosis, Ehlers-Danlos, Marfans, Syphillis
USPSTF screening recommendations for AAA?
One time U/S screening for men 65-75 who have ever smoked
Normal diameter of abdominal aorta?Diameter of AAA that needs surgical intervention?
Normal - 1.8-2 cm
Surgical intervention - 5-5.5 cm
Which test has highest sensitivity for ACL tear? How is it performed?
Lachmann test.
Patient supine. Slightly flex knee. Stabilize femur with one hand and move tibia anterior and posterior with other arm to see how much movement.
What differentiates MGUS (monoclonal gammopathy of undetermined significance) from multiple myeloma?
End-organ damage. Check for hypercalcemia, anemia, renal failure, bone lesions.
Annual risk of progression from MGUS to multiple myeloma?
1% annual risk
Diabetic patient with unilateral leg weakness, decreased sensation to pinprick and light touch over anterior thigh, reduced hip flexion and knee extension strength. Diagnosis?
Femoral neuropathy
Low dose estrogen OCPs result in a 50% decrease in lifetime risk of which cancer?
Ovarian cancer
Diagnostic criteria for polymalgia rheumatica?
Patients 50 years and older Bilateral pain Morning stiffness that lasts at least 45 minutes Elevated CRP or ESR Hip and/or Shoulder pain No hand or feet joing involvement No RA or anti-CCP
Main electrolyte deficiency in Refeeding syndrome?
Hypophosphatemia
Presentation of mononucleosis?
10-30 year old with sore throat, myalgias, fatigue, lymphadenopathy.
Management of hypercalcemia of malignancy?
NS IV first. Follow with IV Pamidronate
Advantage of myomectomy versus fibroid embolization for symptomatic uterine fibroids?
Recommended if patient desires future pregnancies
Advantage of fibroid embolization versus myomectomy for symptomatic uterine fibroids?
Shorter hospitalization, less time off from work
Sigmoidoscopy reveals brown to black leopard spotting of colonic mucosa. Diagnosis?
Melanosis coli. Benign condition from anthraquinone laxative use (cascara, senna, aloe)
The 2 murmurs that increase in loudness with valsalva?
HOCM, MVP
Obese male, age 8-15, limp and hip pain. Pain with internal rotation of hip. Diagnosis?
Slipped Capital Femoral Epiphysis
Drugs implicated in lupus pleuritis?
Hydralazine, procainamide, quinidine
Drug of choice for pharmacologic conversion of WPW with wide-complex tachycardia?
Procainamide or Amiodarone
AVOID adenosine, Ca blocker, or digoxin (these block conduction through AV node)
Antibiotic recommendations for HCAP?
1st Anti-pseudomonal - Cephalosporin (Cefepime, Ceftazidime) or Carbapenem (Imipenem or Meropenem) or extended-spectrum B-lactam/B-lactamase inhibitor (Zosyn)
2nd anti-pseudomonal - Fluroquinolone (levaquin, cipro), or Aminoglycoside (Gentamicin, Tobramycin, Amikacin)
Anti-MRSA - Vanc or Linezolid
Benzodiazepine use during pregnancy, what risk to fetus?
Cleft lip/palate
Which SSRI is contraindicated in pregnancy?
Paroxetine. Other SSRI’s appear to be fine, Fluoxetine has best evidence for safety
Age and classic presentation of Intussusception?
Less than 2 years
Paroxysmal abdominal pain, lasts a few minutes, and then resolves, palpable RUQ mass
Patient with osteoporosis refractory to bisphosphonates. Next step in therapy?
Teriparatide (Forteo)
Most common cause of erythema multiforme?
HSV
pyogenic tenosynovitis, treatment?
If less than 48 hours, splint finger and po abx
If after 48 hours, surgical drainage and abx
Diagnosis of POTS (Postural Orthostatic Tachycardic Syndrome)?
Heart rate increase >30 beats/min or HR >120 within 10 minutes of standing, along with symptoms.
Which type of Tinea infection requires systemic antifungal treatment?
Tinea capitis
Estimated fetal weight where c-section is an option for fetal macrosomia?
4500 g if infant of diabetic mother
5000 g for any infant
What is erythrasma? How is it treated?
Intertrigo complicated by Corynebacterium minnutissum infection. Will see reddish-brown macules that coalesce to form larger patches with sharp borders. Treat with erythromycin.
Patient with E. coli 0:157 infection. Need to monitor for what renal complication?
Hemolytic Uremic Syndrome
Clinical presentation of erythema multiforme?
Sharply demarcated red or pink macules, progress to papules and plaques, start on extremity, symmetric, may involve palms and soles, spread proximally, resolve spontanesouly in 3-5 weeks, may recur several times a year
Age group affected by erythema multiforme?
Typically 20-40 but can affect any age group
Most common cause and other etiologies of erythema multiforme?
MCC - HSV 1&2
Others - Mycoplasma pneumonia (more in children), drugs (barbiturates, NSAIDS, hydantoins, penicillins), vaccines
Treatment for erythema multiforme?
Acyclovir
Treatment for recurrent erythema multiforme?
Continuous acyclovir
Typical age seen for Henoch Schonlein Purpura?
90% are children less than 10. Can affect adults too. Peak incidence is age 6.
Pathophysiology of Henoch Schonlein Purpura?
Acute systemic vasculitis. IgA complexes deposit in small vessels. May deposit in small vessels of intestinal walls or also renal mesangium.
Henoch Schonlein Purpura triggered by?
Most common Group A Streptococcus. Immune response may be triggered by antigen from environment, medications, other infectious etiology.
Clinical presentation of Henoch Schonlein Purpura?
Usually follows URI
Purpura - Everyone gets this. Erythematous papules becomes petechiae and purpura. Lasts for couple weeks
Arthritis - Transient. Knees and ankes most common
GI - Severe pain like an acute abdomen, or may be colicky, may have vomiting with GI bleeding
Renal - late sequelae, starts within 1 month, usually resolves by 6 months, microscopic hematuria, red cell casts, proteinuria
Diagnostic criteria for Henoch Schonlein Purpura?
Palpable purpura with one or more of the following:
- Diffuse abdominal pain
- Any biopsy showing predominant immunoglobulin A deposition
- Arthritis (acute, any joint) or arthralgia
- Renal involvement (any hematuria or proteinuria)
Labs and what to look for in Henoch Schonlein Purpura?
- Antistreptolysin-O titers
- BMP - renal function
- CBC - leukocytosis, platelets MUST be normal (thrombocytopenia may suggest thrombocytopenic purupura)
- IgA levels - suggestive but nonspecific
- UA - Microscopic hematuria, RBC casts, proteinuria
- Skin or renal biopsy
Complications of Henoch Schonlein Purpura?
Renal failure, intussusception. Less commonly pulmonary hemorrhage, MI, scrotal swelling
Stepwise treatment approach for Henoch Schonlein Purpura?
- Tylenol or NSAIDs
- Prednisone 1-2 mg/kg
- Cyclophosphamide or Azathioprine
- Plasmapharesis, IVIG
Renal surveillance needed for Henoch Schonlein Purpura?
Monthly UA to detect signs of renal involvement for 6 months time.
Penicillin prophylaxis recommendation for sickle cell patients?
Twice daily penicllin PO from 0-5 years age.
Immunization recommendations for sickle cell patients?
- 6-18 y/o with functional asplenia -> PCV 13
- >18 y/o w/ functional asplenia -> PCV 13 -> wait 8 wks and then PPSV 23 -> wait 5 years then PPSV 23 again
Retinopathy screening recommendations for sickle cell patients?
Dilated eye exams yearly beginning at age 10
Screening for stroke risk recommendation for sickle cell patients?
Yearly for children age 2-16 with transcranial doppler
Presentation of Acute Chest Syndrome in sickle cell disease?
Acute combination of cough, SOB, rales with new pulmonary infiltrate on CXR.
Incentive Spirometry is useful during vasoocclusive crisis to prevent what?
Acute Chest Syndrome
Treatment for Acute Chest Syndrome in Sickle Cell Disease?
- IV cephalosporin, PO macrolide, supplemental oxygen, incentive spirometry
- Transfusion if Hgb less than 1 g/dl from baseline (if baseline <10 g/dl)
- Plasma apharesis if worsening Acute Chest Syndrome
Treatment of Sickle Cell Disease associated priapism?
IV fluids, urology consult. Do not tranfuse.
Treatment of acute splenic sequestration in Sickle Cell Disease?
IV fluids, transfuse to maintain Hgb at a stable level. Consult for splenectomy.
Hip pain in a patient with Sickle Cell Disease, evaluate for?
Avascular Necrosis
Who should receive hydroxyurea therapy in sickle cell disease?
Children older than 9 months and all adults except pregnant or lactating women.
How do you start and monitor hydroxyurea therapy? What adverse side-effects need to be monitored?
- Before starting check CBC, Retic count, Hemoglobin electrophoresis, Renal and Liver function tests, Pregnancy test for women
- Start at 15 mg/kg daily. CBC q4 weeks to monitor for neutropenia and thrombocytopenia. Maintain ANC 2000-4000/microliter and platelets >80,000.
- May increase by 5 mg/kg q 3 months. Once stable check cbc q3 months.
Which of the following Sickle Cell Disease complications is transfusion indicated and what type? Acute Chest Syndrome Splenic Sequestration Acute Stroke Anemia Priapism AKI and multi-organ system failure Children with transcranial doppler over 200cm/s Pre-operatively
Acute chest syndrome - If severe use exchange transfusion
Splenic Sequestration - If severe anemia use simple
Acute stroke - Simple or exchange
Anemia - Only if symptomatic
Priapism - No transfusions
AKI and multi-organ system failure - No transfusions
Children with transcranial doppler over 200cm/s - Simple or exchange for stroke prevention
Pre-operatively - To Hgb level of 10 if general anesthesia required
Increased nuchal translucency on OB ultrasound suggests?
Increased fluid collection, could be due to Down syndrome, Turner syndrome or cardiac abnormalities
First trimester genetic screening consists of what and when does it take place?
Weeks 11-14. Consists of nuchal thickness, hCG, and PAPP-A. Detects Down syndrome.
Second trimester quad screening consists of what and when is it done?
Weeks 15-19wk6day. Consists of hCG, uE3 (unconjugated estriol), inhibin A, AFP. This evaluates genetic defects as well as neural tube defects
GBS cultures reliable for how many weeks?
5 weeks
Define “reactive strip”
Nonstress test with at least 2 accels of at least 15 beats for at least 15 seconds in a 20 minute interval in gestations over 32 weeks. Gestations less than 32 weeks are 10 beats above baseline for 10 seconds.
What do you monitor for OB patients on magnesium?
Urine output, DTRs, consciousness
Post-exposure prophylaxis for Anthrax inhalation?
Ciprolfloxacin
Best agent for treatment of TCA induced arrhythmia?
Sodium bicarbonate
Indiscriminate zone for BNP?
Between 100-400 you can’t tell if there is CHF or not and need to do further work-up. Over 400 correlates with 95% sensitive.
ACE-i can cause AKI by what mechanism?
Impairing autoregulation of glomerular blood flow
Criteria to clear cervical spine after an injury?
- No central neck pain on questioning or palpation
- No distracting painful injury
- Absence of paralysis or other signs attributable to the neck
- Normal mental status
What is SCIWORA syndrome?
Spinal Cord Injury Without Radiologic Abnormality, paralysis or other neuro deficits secondary to stretching of the spinal cord during flexion-extension type movements in an accident
Treatment for SCIWORA syndrome?
IV methylprednisolone 30 mg/kg bolus. Limited evidence on its efficacy
Formula for calculated osmolality?
Calculated osmolality = 2(Na) + BUN/2.8 + Glucose/18
Signs and symptoms of methanol poisoning?
Abdominal pain, N/V, Meningeal signs (nuchal rigidity), Tachypnea, Basal ganglia hemorrhage, Optic disk abnormalities
Treatment options for methanol or ethylene glycol posioning?
Fomepizole, ethanol, or hemodialysis
Treatment for beta-blocker overdose in order of first to last line therapy?
- Fluids
- Pressors
- Glucagon 3-5 mg IV bolus
- Milrinone or Caclium chloride
Treatment for isoniazid-induced seizures?
Vitamin B6. (INH is a B6 antagonist)
Suspect carbon monoxide poisoning, what lab do you check?
Venous carboxyhemoglobin
First step in treating patient with carbon monoxide poisoning?
Administer 100% oxygen
Criteria for hyperbaric oxygen in carbon monoxide poisoning?
- Mental status changes
- Carboxyhemoglobin levels >25%
- Acidosis
- CV disease
- Age over 60
- Pregnancy
Concussion definition?
Neurological symptoms after head trauma
Indications for parathyroidectomy in patient with primary hyperparathyroidism?
- Age less than 50
- Decreased bone density
- Nephrolithiasis
- Ca level greater than 1 mg/dl over upper-limit of normal