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Episode 900: Ketamine Dosing
Manage episode 413872664 series 2942787
Contributor: Travis Barlock MD
Educational Pearls:
Ketamine is an NMDA receptor antagonist with a wide variety of uses in the emergency department. To dose ketamine remember the numbers 0.3, 1, and 3.
Pain dose
For acute pain relief administer 0.3 mg/kg of ketamine IV over 10-20 minutes (max of 30 mg).
Note: There is evidence that a lower dose of 0.1-0.15 mg/kg can be just as effective.
Dissociative dose
To use ketamine as an induction agent for intubation or for procedural sedation administer 1 mg/kg IV over 1-2 minutes.
IM for acute agitation
If a patient is out of control and a danger to themselves or others, administer 3 mg/kg intramuscularly (max 500 mg).
If you are giving IM ketamine it has to be in the concentrated 100 mg/ml vial.
Additional pearls
Pushing ketamine too quickly can cause laryngospasm.
Between .3 and 1 mg/kg is known as the recreational dose. You want to avoid this range because this is where ketamine starts to pick up its dissociative effects and can cause unpleasant and intense hallucinations. This is colloquially known as being in the “k-hole”.
References
Gao, M., Rejaei, D., & Liu, H. (2016). Ketamine use in current clinical practice. Acta pharmacologica Sinica, 37(7), 865–872. https://doi.org/10.1038/aps.2016.5
Lin, J., Figuerado, Y., Montgomery, A., Lee, J., Cannis, M., Norton, V. C., Calvo, R., & Sikand, H. (2021). Efficacy of ketamine for initial control of acute agitation in the emergency department: A randomized study. The American journal of emergency medicine, 44, 306–311. https://doi.org/10.1016/j.ajem.2020.04.013
Stirling, J., & McCoy, L. (2010). Quantifying the psychological effects of ketamine: from euphoria to the k-Hole. Substance use & misuse, 45(14), 2428–2443. https://doi.org/10.3109/10826081003793912
Summarized by Jeffrey Olson MS2 | Edited by Jorge Chalit, OMS II
1066 episoder
Manage episode 413872664 series 2942787
Contributor: Travis Barlock MD
Educational Pearls:
Ketamine is an NMDA receptor antagonist with a wide variety of uses in the emergency department. To dose ketamine remember the numbers 0.3, 1, and 3.
Pain dose
For acute pain relief administer 0.3 mg/kg of ketamine IV over 10-20 minutes (max of 30 mg).
Note: There is evidence that a lower dose of 0.1-0.15 mg/kg can be just as effective.
Dissociative dose
To use ketamine as an induction agent for intubation or for procedural sedation administer 1 mg/kg IV over 1-2 minutes.
IM for acute agitation
If a patient is out of control and a danger to themselves or others, administer 3 mg/kg intramuscularly (max 500 mg).
If you are giving IM ketamine it has to be in the concentrated 100 mg/ml vial.
Additional pearls
Pushing ketamine too quickly can cause laryngospasm.
Between .3 and 1 mg/kg is known as the recreational dose. You want to avoid this range because this is where ketamine starts to pick up its dissociative effects and can cause unpleasant and intense hallucinations. This is colloquially known as being in the “k-hole”.
References
Gao, M., Rejaei, D., & Liu, H. (2016). Ketamine use in current clinical practice. Acta pharmacologica Sinica, 37(7), 865–872. https://doi.org/10.1038/aps.2016.5
Lin, J., Figuerado, Y., Montgomery, A., Lee, J., Cannis, M., Norton, V. C., Calvo, R., & Sikand, H. (2021). Efficacy of ketamine for initial control of acute agitation in the emergency department: A randomized study. The American journal of emergency medicine, 44, 306–311. https://doi.org/10.1016/j.ajem.2020.04.013
Stirling, J., & McCoy, L. (2010). Quantifying the psychological effects of ketamine: from euphoria to the k-Hole. Substance use & misuse, 45(14), 2428–2443. https://doi.org/10.3109/10826081003793912
Summarized by Jeffrey Olson MS2 | Edited by Jorge Chalit, OMS II
1066 episoder
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