1. Scenario 3.1 Supraventricular Tachycardia 1

2. Rhythm Strip 2

3. ECG 3

4. Rhythm 4

5. ECG 5

6. Chest X-ray Findings: The cardiac silhouette is normal in size. The mediastinal contours are within normal limits. The lungs fields are adequately expanded with no consolidation, infiltrate, edema, or effusion. The visualized soft tissue and osseous structures are unremarkable. Impression: No radiographic evidence of acute cardiopulmonary pathology. 6

7. Fingerstick Glucose ValueNormal range Fingerstick glucose 11070-185 mg/dL 7

8. CBC ValueNormal range WBC8.44.8-11.8 bil/L HGB12.410.5-15.0 g/dL HCT3632-46% Plts211130-460 bil/L 8

9. CMP ValueNormal range Na141134-147 mmol/L K4.23.5-5.0 mmol/L Cl10498-109 mmol/L CO 2 2423-33 mmol/L BUN127-20 mg/dL Cr0.80.7-1.3 mg.dL Glu10870-185 mg/dL Ca2.62.2-2.7 mmol/L Total protein8.06.3-8.2 g/dL Albumin4.63.8-5.2 g/dL AST290-30 U/L ALT240-37 U/L AP9337-112 U/L T. Bili0.50-1.0 mg/dL 9

10. Lactate ValueNormal range Lactate1.30.5-1.8 mmol/L 10

11. D-Dimer ValueNormal range D-dimer0.1 0-0.4  g/mL 11

12. Cardiac Markers ValueNormal range CK18141-266 U/L CK-MB4.40-7.5 ng/mL Trop-T  0.03  0.03 ng/mL 12

13. PT/PTT ValueNormal range PT10.99.2-11.7 s PTT2422-35 s INR1.10.8 – 1.2 13

14. Urine Pregnancy Test 14 Urine HCGnegative