Four Patients Given Wrong Drug During Surgery

Doctor and nurse walking in a hospital corridor reviewing a tablet — Photo: Gorodenkoff / Shutterstock

Four Tennessee surgery patients were injected with the wrong drug during spinal anesthesia, triggering severe health crises and exposing cascading safety failures at a major hospital.

Story Snapshot

The hospital admits a pharmacy mix-up gave four joint-replacement patients potassium phosphate instead of mepivacaine.
State investigators cited “immediate jeopardy” conditions in pharmacy, surgery, and management after the event.
Families report life-altering injuries, including paralysis, while the hospital says it implemented safeguards.
Regulators warned Medicare participation was at risk before the most serious finding was lifted.

What the Hospital Acknowledged Happened on August 14

Ascension Saint Thomas Midtown in Nashville said a pharmacy error caused four joint-replacement patients to receive potassium phosphate instead of the intended spinal anesthetic, mepivacaine. The hospital said all four had adverse reactions and got immediate care, and that it self-reported the event to state regulators the same day it was identified. Leaders said they investigated, identified the cause, and put corrective safeguards in place after the mix-up.

Local reporting on a state review said syringes were prepared the day before, mislabeled as mepivacaine, and then used in spinal injections during surgery. Coverage of the state report described serious and progressive decline in the affected patients, including neurological and respiratory problems. One outlet said five syringes were prepared, four were used, and four patients were harmed. The precise chain of custody inside the pharmacy remains only partly detailed in public summaries.

What State Investigators Found and Why It Matters

State survey coverage said investigators identified three “immediate jeopardy” conditions tied to pharmacy, surgery services, and management. That federal term means noncompliance placed patient health at risk of serious harm or death. Reporting on the state document also said multiple safety checks failed before the drug reached patients and that the clinical response was not timely or organized. Regulators later warned that the hospital’s Medicare agreement was at risk.

Follow-up coverage said regulators lifted the most serious “immediate jeopardy” status after the hospital addressed deficiencies. Hospital leaders stated the facilities would remain open and eligible for Medicare patients while working with state and federal oversight. A hospital statement emphasized a comprehensive review found no other patients were affected beyond the four reported from the event window, according to local coverage.

Patient Harm, Open Questions, and System Pressures

Families told reporters that at least one patient was paralyzed after the surgery, and outlets repeated those accounts. The public record affirms the wrong drug was given and that the four patients declined rapidly. However, the available documents do not provide a formal, public medical causation finding for each injury. Patient privacy, pending investigations, and legal risk can delay fuller disclosures, which fuels public mistrust across the political spectrum.

Does Ascension put patients or ethical medical professionals first? No.

In August 2026, state legislative audits flagged an $80,000 payout Cataldo received for accrued vacation time when he left the hospital. Hospital policies stated the maximum payout should have been under…

— "SOME PEOPLE" (@somepeopleusa) September 19, 2026

This case fits a broader pattern in patient safety: medication mix-ups often involve look-alike drugs, weak double checks, and rushed workflows. When these layers fail, people get hurt. Regulators label such failures “immediate jeopardy” to force fast fixes and protect patients. Yet the public usually sees only short statements and media summaries, not the full report or the hospital’s complete corrective plan. That opacity leaves both patients and clinicians without clear answers.

Accountability, Transparency, and What to Watch Next

The hospital has apologized and says it fixed the cause. Families want confirmation and accountability that go beyond broad statements. Watch for the release of the full state survey packet and the hospital’s detailed corrective actions, including pharmacy labeling, storage, and verification changes. Clear, verifiable safeguards matter because trust is earned by proof, not press lines. Meanwhile, the state’s “immediate jeopardy” findings show how deep the gaps were and how urgent real fixes remain.