Pericardial Tamponade: An Uncommon Clinical Presentation in cANCA Related Vasculitis and Glomerulonephritis in Association with Very High Titres of ANA

Table 1

Laboratory workup.

Labs	Reference Values	Values
White Blood Count	4.0 - 11.0 K/uL	20.7
ANA Screen by IFA	Negative	Positive
ANA Speckled	Negative Titer	> = 1:1280
Anti-dsDNA	Negative	Negative
Anti-GBM	0-20 units	5
C3 Complement	83 - 177 mg/dL	162
C4 Complement	10 - 40 mg/dL	16
Cytoplasmic ANCA	Neg: <1:20 titer	1:160
PR-3 Antibody EIA	0.0-3.5 U/mL	> 100
MPO Antibody, EIA	0.0-9.0 U/mL	< 9.0
Perinuclear ANCA	Neg: <1:20 titer	<1:20 titer
Urine Protein	Negative	100
Urine RBC	0-2/hpf	50-100
Urine WBC	0-2/hpf	20-50
Urine Protein: Creatinine	< .2	1.34