Case Report
Recurrent Coagulopathy after Rattlesnake Bite Requiring Continuous Intravenous Dosing of Antivenom
Table 1
Serial coagulation panel.
| Day | 1 | | 2 | | | 3 | | 4 | | | | 5 | | | 6 | |
| Time | 1600 | 2259 | 0557 | 1415 | 2037 | 0411 | 1620 | 0004 | 0800 | 1535 | 2150 | 0353 | 1300 | 2359 | 0607 | 1210 | Platelets × 103 mm−3 | 20 | 493 | 528 | 416 | 352 | 293 | | | 200 | 263 | 335 | 341 | 219 | 141 | 115 | 116 | PT, sec | 150 | 29.8 | 16.9 | 15.5 | 15.6 | 15 | 14.6 | 15 | 15.5 | 15.1 | 15 | 14.6 | 14.3 | 15.7 | 15 | 14.5 | INR | 8 | 2.9 | 1.4 | 1.5 | 1.2 | 1.5 | 1.1 | 1.2 | 1.2 | 1.2 | 1.2 | 1.1 | 1.1 | 1.2 | 1.2 | 1.1 | Fibrinogen, mg dL−1 | 35 | 35 | 104 | 167 | 176 | 166 | 158 | 164 | 151 | 129 | 156 | 150 | 189 | 232 | 291 | 319 | D-dimer, µg mL−1 | 20 | 20 | 20 | | | | 16.93 | 12.58 | 17.27 | 20 | 20 | 17.05 | 12.38 | 8.8 | 10.16 | 10.9 | CroFab, time, and vials | 1700 12 | | 0715 2 | 1845 2 | | | | | 1342 4 | 1939 4 | 0152 2 | 0658 2 | | | 1048 1 | 1628 1 | 2036 6 | | 1220 2 | | | | | | | | | | | | | 2229 1 | 2246 6 | | | | | | | | | | | | | | | |
| Day | 7 | | 8 | | | 9 | | 10 | | 11 | | | 12 | 19 |
| Time | 0005 | 1215 | 0000 | 1145 | 2005 | 0410 | 1246 | 0405 | 1810 | 0535 | 1315 | 1715 | 0640 | 0907 | Platelets × 103 mm−3 | 97 | 97 | 91 | 77 | 67 | 43 | 48 | 60 | 109 | 128 | 150 | | 245 | 612 | PT, sec | 15.4 | 15 | 15.4 | 15.2 | 17.1 | 17.4 | 15.9 | 15.9 | 15.5 | 15.4 | 15.3 | 14.6 | 14.4 | 13 | INR | 1.2 | 1.2 | 1.2 | 1.2 | 1.4 | 1.4 | 1.3 | 1.3 | 1.2 | 1.2 | 1.2 | 1.1 | 1.1 | 1 | Fibrinogen, mg dL−1 | 394 | 452 | 495 | 305 | 110 | 111 | 183 | 195 | 314 | 243 | 261 | 267 | 282 | 464 | D-dimer, µg mL−1 | 8.17 | | | | | | | | | | 4.53 | | | | | | CroFab, time, and vials | | | | | 2241 1† | 0520 1† | 2331 1† | 1100 1† | 2235 1† | | | | | | | | | | | | | 1048 1† | | | | | | | | | | |
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CroFab infusion over 6 hours.
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