1. DC Fellows Forum Raj Khandwalla M.D. Georgetown/Washington Hospital Center

6. Laboratory Assessment: 1.6 11.3 – 13.3 INR 33.6 22.1 – 35.1 Partial-thromboplastin time (sec) 118 150,000 – 300,000 Platelet Count (per mm 3 ) 4.5 0 – 8 Eosinophils 17.6 4 – 11 Monocytes 37.5 22 – 44 Lymphocytes 40 40 – 70 Neutrophils Differential Count (%) 4.0 4,500 – 11,000 White-cell count (per mm 3 ) 36.2 41.0 – 53.0 Hematocrit (%) 12.3 13.5 – 17.5 Hemoglobin (g/dl) HEMATOLOGY ON ADMISSION REFERENCE RANGE TEST

7. Laboratory Assessment: 218 0.0-99 Brain Naturitic Peptide (pg/ml) 1.3 0.6 – 1.5 Creatinine (mg/dl) 22 8 – 25 Urea nitrogen (mg/dl) 24 23.0 – 31.9 Carbon dioxide (mmol/liter) 107 100 – 108 Chloride (mmol/liter) 4.3 3.4 – 4.8 Potassium (mmol/liter) 140 135 – 145 Sodium (mmol/liter) CHEMISTRY ON ADMISSION REFERENCE RANGE TEST

9. Tracings

10. Tracings

11. Tracings

12. Tracings

13. Tracings

14. Tracings

15. What is the differential diagnosis for these tracings? How do we make the diagnosis?

16. Tracings

17. Tracings

18. Ventricular Interdependence Restrictive Constrictive

30. Hemodynamics Constrictive pericarditis RV infarct Tamponade Restrictive cardiac disease Pulses paradoxus < 1/3 Occasional Frequent Rare RA waveforms Prominent y descent Prominent y descent Prominent x descent Insp.  Variable y descent Equalization of diastolic pressures Frequent Frequent Frequent Rare “ Square root” sign Frequent Frequent Absent Variable