Anesthetics and Analgesics in Children

Inclusion Criteria:

1. 0 to \<18 years of age at time of enrollment (must see applicable appendix for details as not all appendices enroll across the entire age range)
2. Parent and/or participant (if applicable) is able to understand the consent process and provides informed consent and HIPAA Authorization (if applicable)
3. Participant provides assent as required by the institutional review board (IRB) or research ethics board (REB)
4. Receiving one or more drugs of interest (DOI) per local standard of care
5. Meeting DOI-specific inclusion criteria (See Appendices)

Exclusion Criteria:

1. Known pregnancy
2. Extracorporeal life support (i.e., ECMO, dialysis, ventricular assist device)
3. Any condition which would make the participant, in the opinion of the investigator, unsuitable for the study