What Types of Medical Errors Occur in Emergency Rooms?

Aug 29th, 2025 | Personal Injury

Emergency rooms are designed to save lives under intense pressure. However, the very nature of this fast-paced environment can sometimes contribute to medical mistakes that harm the patients they are meant to help.

From misdiagnoses to medication errors, emergency room medical malpractice can have life-altering consequences for patients and their families—and these victims have the right to pursue compensation through a medical malpractice lawsuit. Contact our New Haven emergency room error lawyers if you were misdiagnosed or given the wrong medication in the ER. Schedule your free consultation today.

Misdiagnosis and Delayed Diagnosis

When you arrive at the emergency room, an accurate and timely diagnosis can mean the difference between life and death. Unfortunately, the pressure to treat multiple patients quickly can lead to rushed assessments and overlooked symptoms. You might receive an incorrect diagnosis for conditions like heart attacks, strokes, or sepsis, which can worsen without proper treatment.

Delayed diagnosis occurs when emergency room staff fail to recognize the severity of your condition, leading to critical delays in care. These errors often happen when doctors don’t order the appropriate tests, misinterpret symptoms, or fail to consider your complete medical history.

Medication Errors

Prescription and administration mistakes in emergency rooms can cause serious harm. You could receive the wrong medication entirely, an incorrect dosage, or a drug that interacts dangerously with your current medications. Sometimes, busy staff members may not verify your allergies before administering treatment, leading to potentially fatal reactions. These medication errors can occur during any stage of the medication process, from initial prescription to the final administration.

Inadequate Monitoring and Follow-Up Care

Emergency rooms are required to monitor patients’ vital signs and responses to treatment. When staff fail to adequately track your condition, they may miss signs of deterioration or complications. 

Inadequate follow-up care can also occur when emergency room staff don’t provide clear discharge instructions or fail to arrange continuing care with specialists. This negligence can lead to readmissions, worsening of your original condition, or the development of new complications that could have been prevented.

Prematurely Discharging a Patient

Premature discharge often happens when emergency room staff misclassify the severity of your condition or fail to recognize warning signs that indicate you need continued hospital care.

If you are discharged before your condition is properly stabilized or while you still require medical observation, you may experience serious complications at home. 

Errors in Reading and Interpreting Lab Results

Laboratory tests provide information about your condition, but errors in reading or interpreting these results can lead to inappropriate treatment decisions. You might not receive necessary treatment if test results are misread as normal, or you could receive unnecessary interventions based on incorrectly interpreted data. Sometimes, lab results are delayed or lost entirely.

Seeking Justice After an Emergency Room Error in New Haven, Connecticut

Emergency room errors are some of the most serious forms of medical malpractice. If you or a loved one were affected by this type of negligence, you have the right to file a lawsuit against the provider or the facility responsible. These cases can be complex to prove, which is why you need a lawyer to guide you through the process.

A New Haven medical malpractice attorney can thoroughly investigate your case by reviewing medical records, consulting with emergency medicine experts, and determining whether the care you received met accepted standards for emergency treatment. They will work diligently to build a compelling case that proves your right to financial recovery. Schedule a free legal consultation today and explore your options for justice and compensation.