Missed Pulmonary Embolism Diagnosis and Medical Malpractice
September 23, 2026
A missed pulmonary embolism diagnosis may raise medical malpractice concerns when symptoms or known clotting risks should have prompted additional testing, reassessment, or a higher level of care. A delayed diagnosis alone does not establish negligence. The key questions are whether the provider acted reasonably under the circumstances and whether an avoidable delay caused additional harm.
A pulmonary embolism can be difficult to recognize because symptoms such as shortness of breath, chest pain, dizziness, or fainting can have many possible causes. That uncertainty does not mean every patient requires the same testing. It does mean providers may need to consider the patient’s symptoms together with medical history, vital signs, recent surgery or immobility, and other documented risk factors.
Why Doctors May Miss Signs of a Pulmonary Embolism
A pulmonary embolism generally involves a blood clot that travels to the lungs. Because symptoms can overlap with anxiety, heart problems, respiratory conditions, or other illnesses, the diagnosis may not be obvious during an initial visit.
From a malpractice perspective, the issue is whether the patient’s symptoms, history, and risk factors should reasonably have led to further evaluation.
What Symptoms and Risk Factors May Require Further Evaluation?
No single symptom proves that a patient has a pulmonary embolism. Concern may increase when symptoms such as shortness of breath, chest pain, fainting, or leg swelling appear alongside clotting risk factors.
Shortness of Breath or Chest Pain
Sudden, unexplained, or worsening shortness of breath may be significant, particularly when it occurs at rest or does not improve as expected. Chest pain may also warrant careful evaluation depending on the patient’s history, examination, and other findings.
A later legal review may consider whether the provider evaluated potentially serious causes, checked relevant vital signs, and responded appropriately when symptoms persisted or worsened.
Fainting or a Sudden Change in Condition
Fainting, near-fainting, dizziness, confusion, or a sudden decline may call for reassessment. Medical records can help show whether providers repeated vital signs, reconsidered the diagnosis, ordered additional testing, or escalated care.
Leg Swelling or Pain
New leg swelling or pain may be significant when it occurs with shortness of breath, chest symptoms, or other concerning findings. A legal review may consider whether the provider recognized the possible connection between those symptoms and clotting risk.
Recent Surgery, Hospitalization, or Immobility
Recent surgery, hospitalization, or prolonged immobility can be relevant to a provider’s assessment of clotting risk. A prior history of blood clots or other documented risk factors may also matter.
When concerning symptoms develop in these circumstances, a legal review may examine whether the provider should have tested, monitored, or escalated care sooner.
Should the Provider Have Ordered Testing or Escalated Care Sooner?
This is often the central issue in a missed pulmonary embolism malpractice case. The question is not whether every patient with chest pain or shortness of breath should receive the same test. It is whether a reasonably careful provider would have taken additional steps based on the information available at the time.
Depending on the circumstances, concerns may involve:
- Failing to order appropriate diagnostic testing despite significant symptoms or documented risk factors.
- Failing to reassess the patient when symptoms worsened, treatment did not help, or new findings appeared.
- Overlooking abnormal or changing vital signs.
- Discharging the patient despite unresolved or worsening symptoms.
- Failing to obtain consultation, hospitalize the patient, or arrange transfer when a higher level of care may have been warranted.
Continuing to rely on an initial diagnosis after the clinical picture has changed can become important in determining whether the standard of care was met.
Does a Missed Pulmonary Embolism Always Mean Malpractice?
No. A missed pulmonary embolism does not automatically mean that medical malpractice occurred. Some cases can be difficult to diagnose even when providers act reasonably.
A malpractice claim generally depends on whether the provider failed to meet the applicable standard of care and whether that failure caused additional harm.
A review may focus on the symptoms and risk factors documented in the chart, the tests that were ordered, changes in the patient’s condition, and how providers responded to those changes.
A poor outcome by itself is not enough. The evidence must connect a departure from appropriate care to additional injury caused by the delay.
What Records May Matter in a Missed Pulmonary Embolism Claim?
These cases often depend on the timeline. Relevant evidence may include:
- Emergency room, hospital, and nursing records
- Vital signs and oxygen readings
- Medical and surgical history
- Test orders, imaging, and results
- Discharge instructions and records from repeat visits
Reviewing these records can help determine whether warning signs were recognized and whether care should have been escalated sooner.
Contact a Philadelphia Medical Malpractice Lawyer Today
If symptoms or clotting risks were overlooked, a review of the medical records may help determine whether testing or treatment should have happened sooner.
Lowenthal & Abrams, P.C. has represented injured clients since 1975 and serves Pennsylvania, New Jersey, and New York. Our team includes 17 attorneys, a medical doctor, and a nurse who assist with complex medical record reviews.
Call Lowenthal & Abrams at (610) 667-7511 for a free consultation. There is no upfront cost, and there is no fee unless the client is compensated.