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Many individuals already harbor a natural apprehension about visiting healthcare providers. Unfortunately, this fear might be justified, particularly when you consider the alarming errors that occur daily in hospitals worldwide. Stories of surgical tools being accidentally left inside patients are not uncommon, with an estimated 4,000 such incidents happening annually in the US alone. Beyond this, numerous other medical and surgical mistakes continue to affect unsuspecting patients, often leading to severe harm or even fatalities.
10. Operating on the Incorrect Patient
The National Quality Forum classifies this as a “never event,” a term used for serious, reportable incidents that should ideally never occur in a healthcare setting. While not always entirely preventable, many such cases could be avoided. For instance, performing surgery on the wrong patient is a grave error that still happens despite updated protocols. One notable case involved a prostate biopsy mix-up, where a healthy man had his prostate removed, while the patient with cancer went untreated.
One of the most chilling incidents in recent memory involved a woman who regained consciousness moments before her organs were to be harvested for transplant, a scenario straight out of a gruesome horror film. The medical team not only confused her with another patient but also misidentified a living person as deceased. Fortunately, the 41-year-old woman awoke just as surgeons prepared to extract her organs. While the procedure was halted in time, the near-fatal error highlights a series of catastrophic mistakes that are almost too horrifying to imagine.
9. Air Embolisms
The same air that sustains human life can become lethal during surgical procedures. When air enters the bloodstream during surgery, it can create a blockage in the circulatory system, known as a venous air embolism. Although rare, these incidents occur more frequently than they should. Air embolisms can lead to pulmonary embolisms—blockages in the lungs—which are among the top causes of preventable deaths in hospitals.
Venous air embolisms caused by catheters have a fatality rate of 30 percent. Survivors often suffer permanent disabilities, such as severe brain damage. What makes air embolisms particularly alarming is their potential to occur during routine surgeries, despite their deadly nature. For instance, a seemingly straightforward dental implant procedure recently turned tragic when an oral surgeon caused air embolisms in five patients within a year, resulting in three deaths. The air is believed to have entered the patients' bloodstreams through the hollow dental drill.
8. Blood Transfusions
Blood transfusions are a frequent part of hospital care, with approximately 1 in 10 hospital stays involving a medical procedure requiring one. However, this common practice can turn perilous when errors occur, particularly when a patient receives the wrong blood type. Statistics suggest that for every 10,000 units of blood transfused, one unit is mismatched to the intended recipient.
Errors in blood transfusions often stem from misidentification of either the blood or the patient. Mistakes can occur at various stages: blood may be mislabeled during collection, the incorrect unit may be dispensed, or healthcare providers might administer the wrong blood during surgery or at the bedside. Between July 2008 and July 2009, the Pennsylvania Patient Safety Authority documented 535 transfusion errors, 14 of which led to severe complications, including one fatality during surgery.
7. Incorrect Surgical Procedures
A surgical error classified as a “never event” occurs when patients undergo the incorrect procedure. Research into medical malpractice cases reveals that 25 percent involved patients receiving surgeries different from what was planned. Over two decades, 2,447 lawsuits were filed due to such surgical errors.
Despite stringent safety protocols designed to prevent incorrect surgeries, these errors persist at an unacceptable rate. In one case, a woman’s fallopian tube was mistakenly removed instead of her appendix. Another patient underwent an unnecessary heart operation. A particularly tragic incident involved a pregnant woman scheduled for an appendectomy in 2011. Instead, her ovary was removed, leaving the infected appendix intact. The error was discovered three weeks later, but she tragically miscarried and died on the operating table.
6. Incorrect Medication or Dosage
Many individuals trust that the medication prescribed by their doctor or dispensed by their pharmacist is accurate in both type and dosage. However, millions of people daily are given incorrect prescriptions. In the US, out of more than three billion prescriptions issued annually, an estimated 51.5 million errors occur—equating to 4 mistakes for every 250 prescriptions. The risks are significant: patients may receive harmful drugs they don’t require or miss out on essential medications. Both scenarios can have deadly consequences.
Medication errors occur in both pharmacies and hospitals. A heartbreaking example involves the death of premature twins due to a nurse’s critical error. Born at 27 weeks in Stafford Hospital, the infants were administered a lethal dose of morphine—650–800 micrograms instead of the prescribed 50–100 micrograms.
In another tragic incident, a 79-year-old man at North Shore Medical Center in Miami was mistakenly given pancuronium, a paralytic drug used in lethal injections, instead of an antacid for his stomach discomfort. The man became unresponsive within 30 minutes.
5. Infections and Contaminated Medical Supplies
Hospitals are places where people seek treatment for illnesses, yet they can also be sources of disease and infection. Contaminated medical tools or inadequate staff hygiene can expose patients to life-threatening illnesses, a problem that occurs more frequently than many realize. For instance, between 2012 and 2014, multiple patients in at least four US hospitals were exposed to the fatal Creutzfeldt-Jakob disease due to contaminated surgical instruments.
Infections from contaminated equipment are classified as “never events” and are entirely preventable. According to the latest US Centers for Disease Control’s Healthcare-Associated Infections Progress Report, while improvements have been made, preventable infections in hospitals remain a significant issue. Approximately 1 in 25 hospital patients contracts an infection while in the hospital, leading to around 75,000 deaths annually.
4. Misdiagnosis
While misdiagnosing extremely rare diseases might be understandable—as dramatized in the TV show House—there is no justification for overlooking symptoms of common conditions due to negligence or incompetence.
An estimated 80,000 Americans lose their lives annually due to misdiagnosed conditions. One woman visited the emergency room with complaints of neck pain and a headache but struggled to articulate her symptoms clearly. The hurried ER doctor dismissed her condition as muscle pain and sent her home with painkillers. The following day, she was rushed back to the same ER and died of cardiac arrest caused by a stroke she had likely been experiencing the previous day. The attending doctor later admitted he should have recognized the stroke symptoms, holding himself accountable for her death.
3. Operating on the Incorrect Body Part
Surgeries performed on the wrong body part—such as amputating the incorrect limb or removing the wrong kidney—are among the most frequent surgical errors. A study published in the Journal of the American Medical Association estimates that 1,300–2,700 such mistakes occur annually in the US, averaging about 40 per week. Despite precautions like marking the surgical site beforehand, these preventable errors persist.
In Rhode Island, a single hospital conducted three brain surgeries on the wrong part of the brain within a year, all performed by the same surgeon. In another case, a Florida man had his healthy kidney removed instead of his gall bladder, the intended target. The surgeon responsible was fined a mere $5,000 for the error.
2. Accidents Within Hospitals
According to the Agency for Healthcare Research and Quality (AHRQ), nearly one million patients experience falls annually while under medical care in hospitals. The agency suggests that approximately one-third of these incidents are preventable with proper measures.
The improper use of bed rails in hospitals and long-term care facilities poses significant risks. The FDA has recorded nearly 500 deaths linked to bed rail use, acknowledging that many more fatalities may have gone unreported. Vulnerable patients with limited mobility can become trapped between the mattress and bed rail, leading to suffocation or strangulation.
1. Urgency
Emergency rooms have grown increasingly crowded, as anyone who has visited one recently can attest. While you might expect those in critical need to receive prompt care, this isn’t always the reality. Far too often, patients are left waiting without treatment, even when the necessary medical attention is just steps away.
A 39-year-old woman arrived at a Bronx, New York hospital around 5:00 AM, reporting severe abdominal pain. Despite being labeled as “urgent” and having blood tests conducted, she waited hours without treatment. By the afternoon, a doctor ordered a CAT scan, revealing fluid buildup. She was rushed into surgery to check for an embolism but died on the operating table 13 hours after admission—a delay that proved fatal. Had the initial blood tests been acted upon sooner, her internal bleeding could have been identified, potentially saving her life.
