From ER to Courtroom: How a Nurse Expert Witness Evaluates Cases

When a medical case is reviewed, the analysis doesn’t start in the courtroom — it starts with the record.
In this episode of On the Stand with Ashish Arun, Marilyn McCullum joins the conversation to break down how nurse expert witnesses evaluate medical cases — from documentation and clinical timelines to standard of care and case outcomes.
🔍 What You’ll Learn in This Episode

✔️ How nurse expert witnesses evaluate medical records and timelines

✔️ The role of documentation in shaping legal outcomes

✔️ Understanding and assessing standard of care in real cases

✔️ Identifying gaps, inconsistencies, and potential bias

✔️ Translating clinical findings into defensible expert opinions

👩‍⚕️ About the Guest

Marilyn McCullum is a registered nurse and legal nurse consultant with experience in emergency care and clinical practice. She works on medical-legal cases involving medical record review, standard of care analysis, and case evaluation, supporting attorneys in healthcare litigation matters.

⚖️ Why This Episode Matters

Medical cases often hinge on details within the record. This episode offers a closer look at how expert witnesses analyze those details, identify what matters, and bring clarity to complex healthcare disputes.

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