sandra
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Topics: 200
Posts: 468
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81. An 18-year-old man with sickle cell disease
comes to the emergency department because
of shortness of breath for 6 hours. He has
had a low-grade fever, joint aches, and a
rash for 3 days. He was previously healthy
and has had few vaso-occlusive crises. He
takes folic acid regularly and has required
no blood transfusions for 8 years. His
hematocrit has been stable at 32%. His
temperature is 38.1°C (100.6°F), pulse is
120/min, respirations are 36/min, and blood
pressure is 120/86 mm Hg. The lungs are
clear to percussion and auscultation. Cardiac
examination shows normal findings. There
is no hepatomegaly or splenomegaly. He has
pain with movement of the joints, but there
is no evidence of arthritis. His hematocrit is
21%, leukocyte count is 11,500/mm
3, and3. An x-ray of
platelet count is 450,000/mm
the chest shows normal findings. Which of
the following is the most appropriate next
step in diagnosis?
(A) Hemoglobin electrophoresis
(B) Measurement of bleeding time
(C) Measurement of reticulocyte count
(D) Serum HIV antibody assay
(E) CT scan of the abdomen
what does he have? is it parvo virus B19?
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| sandra
Forum Guru
Topics: 200
Posts: 468
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oops..sorry for double posting
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