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Hospital Mistakes Are More Common Than You Think

Written by Christopher R. Boisvert, Esq. July 10, 2026

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Neurologist examining brain CT scan images on a lightboard for traumatic brain injury medical malpractice case

Imagine, after years of chronic pain, being assured by your doctor that knee replacement surgery will alleviate your discomfort and put a spring back in your step, only to wake up and discover the procedure was performed on your healthy knee. Or imagine delivering healthy triplets, only to learn that one of your newborns was accidentally given an adult dose of medication intended for you.

Given the education and training medical professionals receive, it may seem that such hospital mistakes would be rare. Unfortunately, while many hospitals provide excellent care, preventable errors still occur, sometimes with life-altering consequences.

What Are Common Hospital Mistakes?

When you go to the hospital, for yourself or someone you love, you trust the system to keep you safe. Statistics and patient reports, however, show that mistakes do happen. Some of the most common include:

  • Misdiagnosis – One of the most frequent medical errors. Misdiagnosis can delay proper treatment or result in unnecessary or harmful interventions.
  • Delayed treatment – Busy emergency rooms or communication breakdowns can delay critical care, sometimes allowing a condition to worsen unnecessarily.
  • Treating the wrong patient – Identification errors can result in patients receiving the wrong medication, tests, or even undergoing the wrong surgery.
  • Medication mistakes – Incorrect drugs, improper dosages, or missed medications remain among the most commonly reported hospital errors.
  • Uncoordinated care – Multiple providers relying on incomplete chart information can lead to conflicting treatments or overlooked complications.
  • Wrong-site procedures – Errors in documentation as well as surgical verification can result in procedures performed on the wrong body part.
  • Retained surgical items – Sponges or instruments occasionally remain inside patients after surgery, often requiring additional procedures.
  • Hospital-acquired infections – These can occur when safety procedures, including proper cleanliness practices, are not followed consistently.

How Common Are Hospital Mistakes?

It can be difficult to determine exact numbers because many medical errors go unreported. Earlier patient-safety research suggested significant rates of preventable harm in hospitals, and more recent studies continue to show that serious medical errors remain a concern despite improved reporting systems and safety initiatives.

Experts generally agree on several key points:

  • Reporting has improved, but underreporting still occurs.
  • Medication errors, diagnostic delays, and hospital-acquired infections remain continuing issues.
  • Patient-safety initiatives have reduced some risks, but preventable harm has not been eliminated.
  • Knowing these trends can help patients stay aware without assuming that every complication is due to negligence.

How Do You Know If Your Hospital Made A Mistake?

Some errors are obvious, like the examples described earlier. Others are less clear because not every negative outcome is caused by negligence. Still, certain warning signs may justify further investigation:

  • Your condition isn’t improving despite treatment.
  • Diagnosis was based on limited or incomplete testing.
  • Standard tests or procedures weren’t performed.
  • Your questions are repeatedly ignored.
  • Diagnosis was significantly delayed despite symptoms.
  • Health care providers fail to follow up or provide guidance.

If something doesn’t feel right, seeking a second medical opinion can be an important first step.

When Does A Hospital Mistake Become Medical Malpractice?

Not every medical complication is malpractice. Medicine involves risks, and sometimes poor outcomes occur even when providers follow accepted standards of care.

However, a hospital mistake may rise to the level of medical malpractice when a provider or institution fails to meet the accepted standard of care, and the failure causes harm.

Examples may include:

  • Failure to monitor a patient appropriately.
  • Medication errors that should have been preventable.
  • Delayed diagnosis when symptoms were clear.
  • Communication breakdowns among staff.
  • Understaffing or inadequate hospital protocols.

Hospitals themselves can sometimes be liable (not merely individual doctors or nurses), particularly when organizational problems such as poor supervision, inadequate training, or unsafe procedures contribute to patient harm.

If you suspect an error could have been avoided, speaking with a medical malpractice attorney can help clarify whether negligence may have occurred.

What To Do If You Suspect A Hospital Error In Pennsylvania

If you or a loved one was harmed by a hospital mistake, there are practical steps you can take:

  • Request your medical records promptly.
  • Hospitals and insurers often begin internal reviews quickly after adverse events, so preserving documentation early is important.
  • Understand legal timelines.
  • Pennsylvania generally has a two-year statute of limitations for medical malpractice claims. While some exceptions exist, waiting too long can make evidence harder to obtain.
  • Document your experience.
  • Keep notes about symptoms, treatments, conversations with providers, and related expenses.
  • Seek both medical and legal guidance.

A consultation with a malpractice attorney does not require proof of negligence. Attorneys typically work with medical experts to evaluate whether the standard of care was violated.

Large hospital systems, particularly in metropolitan areas like Philadelphia, can make these cases complex, which is why experienced legal representation matters.

What Should You Do Now?

Hospital negligence cases are medically and legally complex. If you believe that you or a loved one has been harmed due to a hospital mistake, speaking with an attorney experienced in medical malpractice can help you understand your options.

At Ross Feller Casey, we work with our on-staff medical professionals to evaluate potential claims, determine whether negligence occurred, and guide families through the legal process.

If you have concerns about a possible hospital error in Pennsylvania, contacting a qualified medical malpractice attorney can help you protect your rights and plan your next steps. At Ross Feller Casey, you won’t be charged anything until there is a financial recovery in your case. Schedule your free consultation today. 

Disclaimer: Ross Feller Casey, LLP provides legal advice only after an attorney-client relationship is formed. Our website is an introduction to the firm and does not create a relationship between our attorneys and clients. An attorney-client relationship is formed only after a written agreement is signed by the client and the firm. Because every case is unique, the description of awards and summary of cases successfully handled are not intended to imply or guarantee that same success in other cases. Ross Feller Casey, LLP represents catastrophically injured persons and their families in injury and wrongful death cases, providing legal representation in Pennsylvania and New Jersey.

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