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Misdiagnosis

What is a Diagnostic Error?

Diagnostic error is one of the most important safety problems in health care today, and inflicts the most harm. Major diagnostic errors are found in 10% to 20% of autopsies, suggesting that 40,000 to 80,000 patients die annually in the U.S. from diagnostic errors.

 

The frequency of diagnostic errors in outpatient care: estimations from three large observational studies involving US adult populations

Our population-based estimate suggests that diagnostic errors affect at least 1 in 20 US adults. This foundational evidence should encourage policymakers, healthcare organisations and researchers to start measuring and reducing diagnostic errors.

 

The Big Three in Diagnostic Errors

Now a Johns Hopkins research team reports it has identified three major disease categories — vascular events, infections and cancers — that account for nearly 75 percent of all serious harms from diagnostic errors.

795,000 Americans a year die or are permanently disabled after being misdiagnosed

July 18, 2023

Top medical researchers are sounding the alarm that an estimated 795,000 American patients continue to die or become permanently disabled each year because they are being diagnosed with the wrong conditions.

More than 7 million incorrect diagnoses made in US emergency rooms every year, government report finds

December 16, 2022

A new study finds that nearly 6% of the estimated 130 million people who go to US emergency rooms every year are misdiagnosed, which translates to about 1 in 18 patients getting the wrong diagnosis.

​Why Are So Many Women Being Misdiagnosed?

August 11, 2017

Emily was bedridden with severe cramps, but five doctors told her she was simply “unlucky” to have painful periods. Tina had crushing chest pain yet was sent home from the hospital and told she had a gastrointestinal problem. Tanieka’s doctor attributed her fatigue and heart palpitations to stress. Jennifer’s M.D. diagnosed her terrible abdominal pain as a side effect of depression. All these women have one thing in common: Their doctors were wrong.

When the doctor is wrong: What you need to know about a misdiagnosis

June 20, 2017

Prevention magazine contributing editor Dr. Holly Phillips joined Kathie Lee Gifford and Hoda Kotb to discuss how one woman’s cancer diagnosis led her to seek a second opinion, ultimately resulting in a misdiagnosis. Dr. Phillips suggests how to be more communicative with doctors and how to ask the right question.

'Countless' Patients Harmed By Wrong or Delayed Diagnoses

September 2015

Evidence is incomplete but still shows most patients will be impacted by the problem at some point in their lives.

​12 million Americans misdiagnosed each year

April 17, 2014

Each year in the U.S., approximately 12 million adults who seek outpatient medical care are misdiagnosed, according to a new study published in the journal BMJ Quality & Safety. This figure amounts to 1 out of 20 adult patients, and researchers say in half of those cases, the misdiagnosis has the potential to result in severe harm.​​

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Pulse Center for Patient Safety Education and Advocacy (CPSEA) is dedicated to raising awareness about patient safety through education, advocacy, and support.

We envision a world in which the patient's voice is heard and no one is harmed by healthcare.

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