Does my patient have Lupus?. Jammie Barnes, MD Assistant professor Department of Medicine, Division of Rheumatology. It’s Lupus. http://www.youtube.com/watch?v=bueW1i9kQao. Dr. House or Dr. Warner. LBJ referral: +ANA with aches and pains Dr. Barnes: It’s Lupus Dr. Warner: Wrong
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Jammie Barnes, MD
Department of Medicine, Division of Rheumatology
PPV: 10/400 = 2.5%
SnNout: high sensitivity – negative test is good at ruling out the disease
Negative ANA – very unlikely to have SLE
SpPin: high specificity –positive test good at ruling in disease
Sensitivity – 100%
Specificity – 60%
PPV: 500/700 = 71.4%
Positive ANA, now what!!
Southern Medical Journal. Vol 105, no 2, Feb 2012
Have you ever
had a seizure
Orphanet Journal of Rare Disease 2006 1:6