Correct!
5. All of the above
All were performed. Her blood cultures had no growth. Plasma NT-pro-BNP was markedly elevated at 17,685 pg/ml (normal < 300 under the age of 50). Her echocardiogram showed inferior septum regional hypokinesis with an ejection fraction of 45%. Her electrocardiogram is shown in Figure 2.
Figure 2. Admission electrocardiogram.
In addition, her troponin was elevated at 18.9 ng/mL (normal <0.1), C-reactive protein 299 mg/dL (normal <10) and creatine phosphokinase 760 U/L (normal <198). She was diagnosed with acute myocarditis and rapidly improved with supportive therapy.
Which additional tests are indicated? (Click on the correct answer to proceed to the third of four panels)