UWorld_6.7 Flashcards Preview

USMLE Step 2 > UWorld_6.7 > Flashcards

Flashcards in UWorld_6.7 Deck (41):
1

Alport Syndrome

-recurrent hematuria + fhx of renal failure
-sensorineural deafness

2

Causes of pulsus paradoxus

-pulsus paradoxus = >10mmHg fall in BP during inspiration
-cardiac tamponade/pericardial effusion
-severe COPD
-severe asthma

3

plantar wart presentation/cause

-caused by HPV
-occur commonly @ young adults and immunocompromised pt.s
-hyperkeratotic papules @ sole of foot
-painful with walking/standing

4

traction apophysitis presentation

-traction ap @ tibial tubercle = osgood-scjlatter dz
-common cause of knee pain among adolescents, esp. w/repetitive running, jumping, etc.
-pain/swelling/bony formation @ anterior tibial tubercle
-reproduced with resisted knee extension
-xray: may have separation @ tubercle

5

patellar tendonitis point of tenderness

-ant. knee pain after exercise
-inferior pole of patella

6

patellofemoral stress syndrome

-overuse injury seen in runners
-anterior knee pain, worse w/descending hills/stairs
-pain @ patella

7

Complications of total body burn

1. hypovolemic shock
2. bacterial infection/sepsis

8

Common causes of diarrhea in patients w/AIDS

-cryptosporidium @

9

cryptosporidium GI presentation

-AIDS pt. @

10

microsporidium GI presentation

-AIDS pt. @

11

MAC GI presentation

-AIDS pt. @ 39
-weight loss

12

CMV GI presentation

-AIDS pt. @

13

CMV GI evaluation/tx

-colonoscopy w/biopsy
-ganciclovir + antiretroviral
-ocular eval for concurrent retinitis

14

Uterine rupture presentation

-sudden onset vaginal bleeding
-constant abdominal pain
-loss of fetal station, absent uterine contractions
-fetal deterioration

15

Vasa previa presentation

-painless vaginal bleeding w/rupture of membranes
-fetal deterioration ==> sinusoidal tracing or bradycardia

16

Management of right ventricular MI

-same as MI except NEED to MAINTAIN PRELOAD
-avoid nitrates, diuretics, opioids
-may need IVF

17

Presentation of right ventricular MI

-ST elevations @ inferior wall (II, III, aVF)
-sx of MI (chest pain, diaphoresis, dyspnea)
-hypotension
-distended jugular veins

18

Mysathenia gravis cause

-auto-antibody mediated destruction of Ach receptors
-associated w/thymoma ==> anterior mediastinal mass

19

Late-term/postterm complications for fetus

-meconium aspiration
-oligohydramnios
-stillbirth
-macrosomia
-convulsions

20

Late-term/postterm complications for mother

-c-section
-infection
-postpartum hemorrhage
-perineal trauma

21

Laryngomalacia presentation

-inspiratory stridor
-worsens when supine, crying, or feeding
-improves in prone position
-begins as neonate, peaks @ 4-8 mo.

22

Laryngomalacia dx/tx

-laryngoscopy for dx: shows collapse of supraglottic structures
-tx: usually reassurance, surgery in severe

23

Vascular dementia presentation

-stepwise decline
-early executive dysfxn
-cerebral infraction/white matter changes on neuroimaging

24

Lewy body dementia presentaion

-visual hallucination
-spontaneous parkinsonism
-fluctuating cognition

25

Fluphenazine SE/complication

-fluphenazine = typical high-potency antipsychotic
-interferes with body's shivering mechanism ==> hypothermia

26

Acute aspirin poisoning presentation

-tinnitus, fever, hyperpnea ==> respiratory alkalosis
-metabolic acidosis

27

Iron toxicity antidote

deferoxamine

28

Iron toxicity presentation

-abdominal pain
-hematemesis
-metabolic acidosis
-tablets can be seen on xray

29

Evaluation of suspected head/neck squamous cell carcinoma

panendoscopy = esophagoscopy, bronchoscopy, laryngoscopy

30

Cauda equina presentation

-bilateral, severe radicular pain
-saddle anesthesia
-asymmetric motor weakness
-hyporeflexia
-late onset bowel/bladder dysfxn

31

Conus medullaris presentation

-sudden onset back pain
-perianal anesthesia
-symmetric motor weakness
-hyperreflexia
-early-onset bowel/bladder dysfxn

32

PPx in HIV

-TMP-SMX @ CD4

33

Evaluation/tx if screening lead in child is elevated

1. venous lead level draw
a. if mild ( rpt. in 1 mo.
b. if mod (45-70) ==> DMSA
c. if severe (>70) ==> dimercaprol + EDTA

34

Electrolyte disturbances in chronic alcoholics

-hypokalemia
-hypomagnesemia ==> refractory hypokalemia (must correct Mg in order to correct K)
-hypophosphatemia

35

Most common cause of PNA in HIV patients

S. pneumo

36

P. jiroveci presentation

-immunocompromised
-dry cough + dyspnea
-CSR: diffuse bilateral infiltrates

37

Causes of acute epididymitis

-younger men: C. tracho or N. gono
-older: E.coli

38

Evaluation of recurrent stye (chalazion)

-histopathological exam
-risk for underlying sebaceous gland carcinoma
-basal cell carcinoma may occur @ lid margin and may appear like a chalazion

39

Most common type of thyroid cancer

papillary

40

Potential complication and indication of IUFD

-DIC may develop after IUFD
-fibrinogen/platelet levels in the low-normal range may indicate developing DIC

41

Evaluation of pelvic mass in asx woman

1. TVUS
2. CA-125 level follow conservatively