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Misdiagnosis or Delayed Diagnosis Causing Wrongful Death: Protecting Phoenix & Tucson, AZ Families

How Misdiagnosis and Delayed Diagnosis Can Cause Wrongful Death

Patients seek medical care with the expectation that doctors will listen, investigate, and act promptly. But when symptoms are ignored, conditions are misdiagnosed, or diagnoses are delayed, the consequences can be fatal.

According to a 2023 study in BMJ Quality & Safety, diagnostic errors contribute to nearly 800,000 deaths and disabilities every year in the United States. These are not rare errors— they are a leading cause of wrongful death in hospitals and clinics.

For Arizona families, losing a loved one to misdiagnosis is especially painful because the death was preventable.

What Is Misdiagnosis or Delayed Diagnosis Wrongful Death?

Medication error wrongful death occurs when a patient dies because of a prescription, administration, or monitoring errors involving medication.

Wrongful death occurs when a patient dies because a healthcare provider:

  • Failed to diagnose a serious condition at all.
  • Misdiagnosed the condition as something less severe.
  • Delayed the diagnosis, preventing timely treatment.

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Common Conditions Involved in Fatal Misdiagnosis Cases

  • Heart attacks mistaken for indigestion, anxiety, or muscle strain.
  • Strokes misdiagnosed as migraines or vertigo.
  • Cancer overlooked until it spreads to advanced stages.
  • Sepsis mistaken for flu or minor infections.
  • Pulmonary embolism (PE), often misattributed to pneumonia.
  • Meningitis mistaken for a viral infection.
  • Autoimmune disorders dismissed as stress or depression.

Each of these conditions can be fatal without prompt, accurate diagnosis.

Misdiagnosis or Delayed Diagnosis Wrongful Death

How Misdiagnosis and Delayed Diagnosis Happen

Fatal diagnostic errors are rarely isolated. They often stem from systemic failures in medical care:

  • Rushed appointments where doctors don’t take full histories.
  • Failure to order diagnostic tests, such as imaging, labs, or EKGs.
  • Misreading test results or overlooking abnormalities.
  • Failure to recognize “red flag” symptoms, like sudden chest pain or neurological deficits.
  • Dismissal of patient complaints, especially in women or minorities.
  • Poor communication between specialists and primary care providers.
  • Delays in referrals to cardiologists, neurologists, or oncologists.

In each scenario, timely and thorough medical care could have saved lives.

The Consequences for Patients and Families

  • Sudden death, such as cardiac arrest from untreated heart disease.
  • Advanced disease, such as late-stage cancer that could have been treated earlier.
  • Permanent disability, such as brain damage from untreated stroke leading to early death.
  • Preventable suffering, where patients endured prolonged illness that could have been avoided.

By the Numbers

  • Heart disease and stroke remain the top two causes of death in Arizona. Many of these deaths are linked to missed diagnoses.
  • Up to 44% of malpractice payouts in the U.S. involve diagnostic errors.
  • Studies estimate that cancer misdiagnosis occurs in 10 to 20% of cases, often delaying life-saving treatment.

These statistics underscore the danger of doctors ignoring symptoms or failing to act quickly.

Arizona Law on Wrongful Death

Under A.R.S. § 12-611 to 12-613, Arizona families can file wrongful death lawsuits when negligence causes a preventable death.

Who Can File?

  • Surviving spouse
  • Children of the deceased
  • Parents of the deceased
  • Personal representative of the estate on behalf of beneficiaries
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Damages Families May Recover

  • Medical expenses leading up to death
  • Funeral and burial costs
  • Lost income and future financial support
  • Loss of love, companionship, and guidance
  • Pain and suffering of surviving family members
  • Punitive damages in cases of egregious negligence

Proving Misdiagnosis or Delayed Diagnosis Wrongful Death

To establish malpractice, attorneys must show:

  • Duty of care: The provider had a responsibility to evaluate symptoms and order appropriate tests.
  • Breach of duty: The provider failed to diagnose or delayed diagnosis by ignoring warning signs.
  • Causation: The missed or late diagnosis directly caused or contributed to death.
  • Damages: The family suffered measurable losses as a result.

Evidence May Include:

  • Medical records documenting ignored symptoms.
  • Lab and imaging results that were misread or overlooked.
  • Hospital notes showing delays in treatment.
  • Autopsy results.
  • Expert testimony from specialists in cardiology, oncology, neurology, or emergency medicine.

For example: if a patient presented with classic stroke symptoms and was discharged with a “migraine” diagnosis, only to die hours later, liability may be clear.

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Snyder & Wenner, P.C.: Fighting For Arizona Families

At Snyder & Wenner, P.C., we understand the devastation of losing a loved one to diagnostic errors. With decades of malpractice experience, we know how to expose failures in care and demand justice for families.

Our attorneys partner with leading medical experts to review cases, identify negligence, and hold providers accountable. We represent families statewide — from Phoenix and Tucson to rural Arizona communities.

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Who May Be Liable?

  • Primary care doctors, for failing to investigate symptoms.
  • Specialists, for misreading tests or dismissing red flags.
  • Hospitals, for systemic delays or poor communication.
  • Urgent care centers, for failing to escalate serious cases.
  • Emergency room staff, for discharging patients without proper evaluation.
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Damages Families May Recover

Families pursuing claims may be entitled to compensation for:

  • Emergency and hospital bills
  • Funeral and burial costs
  • Loss of financial support and household services
  • Loss of companionship and parental guidance
  • Pain, suffering, and emotional trauma
  • Punitive damages for extreme negligence

A Final Word on Accountability

Misdiagnosis and delayed diagnosis are not just errors— they are failures to listen, test, and act that can cost patients their lives. Families deserve answers, accountability, and justice when these failures lead to wrongful death.

At Snyder & Wenner, P.C., we fight for Arizona families whose loved ones were lost to preventable diagnostic errors. Our mission is to uncover the truth, hold negligent providers accountable, and secure justice for those left behind.

Every patient deserves a timely, accurate diagnosis. When negligence robs families of that chance, we are here to help.

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FAQs About Misdiagnosis Wrongful Death

Is every missed diagnosis malpractice?
No. Some conditions are difficult to detect. Malpractice occurs when providers fail to follow reasonable standards and death results.
Generally two years from the date of death, though exceptions may apply.
Multiple providers — from ER doctors to specialists — may share liability.

Yes. We represent families across Arizona harmed by fatal misdiagnoses.