Priya Prasad: A Night in the ER – When a Snakebite Teaches You the Power of Viscoelastic Testing
Priya Prasad, Senior Specialist at Caritas Hospital, shared on LinkedIn:
“A Night in the ER: When a Snakebite Teaches You the Power of Viscoelastic Testing
Last night, a 50-year-old gentleman walked into our Emergency Department—anxious, sweating, and clutching his leg.
“I think I was bitten by a viper…” he whispered.
Anyone who has managed snake-bite victims knows: the venom isn’t the only threat. The silent danger is what it does to the blood. Viper envenomation can unleash a storm—consumption coagulopathy, fibrinolysis, and unpredictable bleeding
Traditionally, we rely on PT, aPTT, platelet counts, fibrinogen levels… but they tell only fragments of the story. And they are slow. When every minute matters, snap-decisions based on incomplete data can cost blood products, time, and sometimes, lives !
So we turned to TEG (Thromboelastography)—our viscoelastic compass.
Within minutes, the tracing unfolded on the screen.
Not just numbers… a narrative of his coagulation status:
- How fast he was forming clot
- How strong it was
- How quickly it was breaking down
It was like watching his entire hemostatic system take shape in real time.
And here is where the magic of PBM (Patient Blood Management) fits in.
Instead of giving “just in case” blood products, TEG helps us:
Transfuse targeted therapy
Avoid unnecessary plasma or platelets
Prevent over-correction and product wastage
Act early when the pattern suggests venom-induced consumptive coagulopathy
That night, TEG not only guided our interventions—it gave the entire team confidence.
The patient stabilized, bleeding risk mitigated, and we used only what he truly needed.
Why does this matter?
Because snakebite victims—especially in areas where certain vipers are prevalent—can develop rapidly changing coagulopathies.
And PBM cannot work without good diagnostics.
Viscoelastic testing is that bridge.
It turns guesswork into precision.
If you work in emergency care, critical care, transfusion medicine, or rural health—viscoelastic testing isn’t just “nice to have.” It’s a lifesaver!”
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