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4 October 2021 Iatrogenic Acute Pseudo-Pericardial Tamponade in a Dusky Pygmy Rattlesnake (Sistrurus miliarius barbouri)
James E. Bogan Jr, Falicia Dickerson
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Abstract

An approximately 7-yr-old male dusky pygmy rattlesnake (Sistrurus miliarius barbouri) developed marked depression in mentation shortly after restraint in an acrylic tube during a preventative health evaluation. Radiographs taken during the examination demonstrated a constrictive lesion due to the restraint tube at the level of the heart. A presumptive diagnosis of iatrogenic pseudo-pericardial tamponade was made, and the animal was immediately removed from the restraint tube. The snake's mentation returned to normal within a few minutes. Plasma collected during the examination was tested for cardiac troponin I (cTnI), which measured 0.06 ng/ml. Re-evaluation of the snake 6 wk later revealed the snake had continued to eat and behave normally. During the reassessment, the snake's plasma cTnI was found to have decreased to 0.00 ng/ml. The snake has continued to do well for the last year, before writing this case report. This is the first description of pseudo-pericardial tamponade in a venomous snake due to restraint in a tube. This is also the first description of elevated plasma cTnI associated with a cardiogenic disorder in a reptile.

James E. Bogan Jr and Falicia Dickerson "Iatrogenic Acute Pseudo-Pericardial Tamponade in a Dusky Pygmy Rattlesnake (Sistrurus miliarius barbouri)," Journal of Herpetological Medicine and Surgery 31(3), 179-183, (4 October 2021). https://doi.org/10.5818/JHMS-D-20-00005
Published: 4 October 2021
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KEYWORDS
cardiac troponin I
dusky pygmy rattlesnake
Sistrurus miliarius barbouri
tamponade
troponin
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