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Autopsy Findings in COVID-19 Patients

Published on Nov 03, 2020 and last reviewed on Nov 25, 2020   -  4 min read


Autopsy findings of COVID-19 patients reveal live viruses and damage to the lungs and other vital organs, including the heart. Read the article to know more.

Autopsy Findings in COVID-19 Patients


The world has spent most of this year fighting the new severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This pandemic has resulted in the death of millions of people already and is showing no signs of stopping. Many countries that successfully brought down the daily number of cases through lockdowns and strict social distancing rules are facing a sudden increase in cases. The SARS-CoV-2 causes COVID-19 (the coronavirus disease 2019), which has significantly impacted people's health and lives.

As they are trying to find a way to effectively diagnose and treat this infection, scientists are conducting autopsies on the victims, which has provided a more detailed understanding of the histopathological and anatomical findings of the disease. It has also given a rough idea about the mechanism of action and disease pathology, but more remains unclear. We have included the significant findings obtained through postmortem and how the virus affects multiple systems in the body.

What do We know About SARS-CoV-2 So Far?

SARS-CoV-2 is a novel RNA (ribonucleic acid) virus. It has a similar genomic sequence, clinical presentation, and behavior to SARS-COV, the virus that caused SARS in 2003. The virus has surface spike glycoprotein that binds to protein angiotensin-converting enzyme 2 (ACE2) that is located on the tissues of the lungs, heart, digestive tract, lymph nodes, brain, etc. The SARS-CoV-2 is more virulent and affects multiple systems in the human body.

Clinical Presentation:

The severity of clinical manifestations of COVID-19 ranges from asymptomatic forms to severe respiratory failure. Based on the following categories, the clinical manifestations include-

  1. Asymptomatic - Such patients do not exhibit any symptoms but might still spread the infection to others.

  2. Mild - Mild fever, headache, tiredness, dry cough, nasal congestion, sore throat, and muscle pain. Some people also experience shallow breathing and shortness of breath. Almost 81% of all patients exhibit mild to moderate symptoms.

  3. Severe - Shortness of breath, oxygen saturation less than 93 %, and rapid breathing. Around 14 % of the cases have these symptoms. The patient can have pneumonia, sepsis, or acute respiratory distress syndrome.

  4. Critical - Critically ill patients exhibit cardiac symptoms, respiratory failure, septic shock, and multiple organ failure (MOF). Only 5 % of patients show critical symptoms.

Causes of Death From COVID-19:

The following are the main causes of death from COVID-19-

  1. Acute respiratory distress syndrome (ARDS) - The small air sacs in the lungs fill with fluid, depriving the organs in the body of oxygen.

  2. Sepsis - It is a life-threatening and extreme response of the body’s immune system to an infection.

  3. Acute cardiac injury - Results in elevated cardiac markers, such as troponin. It is considered equivalent to myocardial infarction (MI).

  4. Type I respiratory failure - Lung damage results in a lack of oxygen.

  5. Heart failure - The heart muscles do not pump sufficient blood.

  6. Alkalosis - Increased bicarbonate in the blood increases the alkalinity and decreases acid in the blood.

  7. Acute kidney injury - Kidney damage or kidney failure due to infection.

  8. Hypoxic encephalopathy - Brain injury due to a lack of oxygen supply.

  9. Hyperkalemia - Higher potassium levels in the blood.

Various studies have shown hyperinflammatory response to the virus is the main cause of death as it affects the heart vessels, kidney, liver, and other vital organs.

What Are the Postmortem Findings in COVID-19 Victims?

1) Lung Findings:

2) Heart Findings:

3) Liver Findings:

4) Lymph Node Findings:

5) Spleen Findings:

6) Kidney Findings:

Live SARS-CoV-2 Virus Found During Autopsy:

During the first autopsy conducted in India, doctors were able to isolate live SARS-CoV-2 virus 18 hours after the patient’s death. This 62-year-old COVID-19 patient died after 14 days of treatment and had active viruses in the mouth, throat, and nasal area. On the various swabs that the doctors took from the mouth, throat, and nose, all tested positive using the RT-PCR test. But, there was no trace of the virus on the skin and the surface of internal organs like the lungs.

Similarly, a forensic practitioner most likely was infected by a deceased patient in Thailand. This is why it is not surprising to find live SARS-CoV-2 virus for up to hours or days after death. The virus can be present in the nasal secretions and can also be replicating in the cells of the body that have not yet died. More studies are required to know how long these viruses can stay in the body after death.

For more information, consult an infectious disease specialist online now.


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Last reviewed at:
25 Nov 2020  -  4 min read




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