<p>Post mortem conducted on former Uttar Pradesh Chief Minister Mulayam Singh's son Prateek Yadav has revealed that he suffered “cardiorespiratory collapse due to massive pulmonary thromboembolism." This means he had a blood clot in his lungs that severely &nbsp;obstructed blood flow, triggering sudden failure of the heart and respiratory system.</p><h2>What is &nbsp;pulmonary thromboembolism?</h2><p>&nbsp;</p><p>Pulmonary thromboembolism is the state when blood clots travel through the bloodstream and become lodged in the arteries of the lungs, leading to irregular or no oxygen supply. The condition is described by doctors as being fatal, especially when the clot is extensive.</p><p>&nbsp;</p><p>Such clots, according to medical experts commonly originate in the deep veins of the legs or lower body and &nbsp;the moves up before &nbsp;to the lungs. Breathlessness, chest pain, dizziness are some of its symptoms.</p><p>&nbsp;</p><p>Prateek Yadav had been suffering from lung-related issues for a long time and was undergoing treatment for a blood clot in his lungs. When his condition deteriorated in the morning and he stopped responding, his family members immediately rushed him to the Civil Hospital.</p><h2>Who was Prateek Yadav?</h2><p>&nbsp;</p><p>Prateek Yadav was the son of late Uttar Pradesh CM Mulayam Singh Yadav and his second wife, Sadhana Gupta. He was the half-brother of Akhilesh Yadav. His wife Aparna Yadav serves as Uttar Pradesh State Women’s Commission Vice Chairperson and is a member of BJP. Prateek was born on July 7, 1987. Mulayam Singh Yadav has previously married Malti Devi, with whom he had Akhilesh Yadav. Malti Devi passed away in 2003. Reports suggest that Mulayam Singh Yadav had kept his second marriage private for a long period before eventually publicly acknowledging it. Prateek largely stayed away from political life. According to reports, he was involved in the real estate business and was passionate about fitness and bodybuilding. He owned a gym in Lucknow named 'The Fitness Planet'.&nbsp;</p>

Pulmonary thromboembolism is the state when blood clots travel through the bloodstream and become lodged in the arteries of the lungs disrupting oxygen supply.

Post mortem conducted on former Uttar Pradesh Chief Minister Mulayam Singh's son Prateek Yadav has revealed that he suffered “cardiorespiratory collapse due to massive pulmonary thromboembolism." This means he had a blood clot in his lungs that severely obstructed blood flow, triggering sudden failure of the heart and respiratory system. What is pulmonary thromboembolism? Pulmonary thromboembolism is the state when blood clots travel through the bloodstream and become lodged in the arteries of the lungs, leading to irregular or no oxygen supply. The condition is described by doctors as being fatal, especially when the clot is extensive. Such clots, according to medical experts commonly originate in the deep veins of the legs or lower body and the moves up before to the lungs. Breathlessness, chest pain, dizziness are some of its symptoms. Prateek Yadav had been suffering from lung-related issues for a long time and was undergoing treatment for a blood clot in his lungs. When his condition deteriorated in the morning and he stopped responding, his family members immediately rushed him to the Civil Hospital. Who was Prateek Yadav? Prateek Yadav was the son of late Uttar Pradesh CM Mulayam Singh Yadav and his second wife, Sadhana Gupta. He was the half-brother of Akhilesh Yadav. His wife Aparna Yadav serves as Uttar Pradesh State Women’s Commission Vice Chairperson and is a member of BJP. Prateek was born on July 7, 1987. Mulayam Singh Yadav has previously married Malti Devi, with whom he had Akhilesh Yadav. Malti Devi passed away in 2003. Reports suggest that Mulayam Singh Yadav had kept his second marriage private for a long period before eventually publicly acknowledging it. Prateek largely stayed away from political life. According to reports, he was involved in the real estate business and was passionate about fitness and bodybuilding. He owned a gym in Lucknow named 'The Fitness Planet'.

<p>Pulmonary thromboembolism is the state when blood clots travel through the bloodstream and become lodged in the arteries of the lungs disrupting oxygen supply.</p>

Prateek Yadav's post-mortem report reveals what led to his death

<p>Prateek Yadav, who was the son of late former Uttar Pradesh Chief Minister Mulayam Singh Yadav, has passed away at a civil hospital in Lucknow on Wednesday (May 13), as per news agency ANI. He was the husband of Uttar Pradesh State Women’s Commission Vice-Chairperson Aparna Yadav and step brother of Samajwadi Party chief Akhilesh Yadav. The exact cause of death is yet to be officially confirmed, and a post-mortem examination is being conducted. According to the information available, Prateek Yadav was brought to the Civil Hospital, where doctors declared him dead. As per NDTV report, Prateek Yadav had been suffering from lung-related issues for a long time and was undergoing treatment for a blood clot in his lungs. When his condition deteriorated in the morning and he stopped responding, his family members immediately rushed him to the Civil Hospital.</p><p>&nbsp;</p><p>Issuing a statement on the incident, Uttar Pradesh Chief Minister Yogi Adityanath said that it is “heartbreaking.” In a post on X, he extended his “condolences” to the bereaved family. Samajwadi Party extended its condolences for the departed soul.&nbsp;</p>

<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Uttar Pradesh CM Yogi Adityanath tweets, &quot;The sudden demise of Prateek Yadav, son of former Chief Minister of Uttar Pradesh, Mulayam Singh Yadav, and husband of Aparna Yadav, Vice-Chairperson of the Uttar Pradesh State Women&#39;s Commission, is extremely heartbreaking. My… <a href="https://t.co/Wo1k3UPgJF">pic.twitter.com/Wo1k3UPgJF</a></p>&mdash; ANI (@ANI) <a href="https://twitter.com/ANI/status/2054394462529618032?ref_src=twsrc%5Etfw">May 13, 2026</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>

<figure class="image"><img src="https://cdn1.wionews.com/prod/wion/images/2026/20260513/image-1778644287274.png"></figure><p>Yadav mourned the untimely demise of his step-brother Prateek Yadav, calling him a "very good body" who was always mindful about his health and fitness. The SP chief arrived at the Civil Hospital in Lucknow, where the mortal remains of Prateek Yadav have been kept for the post-mortem procedure. Speaking to the reporters, Akhilesh Yadav said, "I have seen him since childhood. It is unfortunate that he is no longer with us today. Since childhood, he has been conscious of his health and his fitness. He wanted to achieve something and go forward in life. He was a very good boy who wanted to do something through his hard work. It is a matter of great sorrow that he is no longer with us today."</p><figure class="image"><img src="https://cdn1.wionews.com/prod/wion/images/2026/20260513/image-1778644350504.png"></figure><h2>Who was Prateek Yadav?</h2><p>Prateek Yadav was the son of late Uttar Pradesh CM Mulayam Singh Yadav and his second wife, Sadhana Gupta. He was the half-brother of Akhilesh Yadav. His wife Aparna Yadav serves as Uttar Pradesh State Women’s Commission Vice Chairperson and is a member of BJP. Prateek was born on July 7, 1987. Mulayam Singh Yadav has previously married Malti Devi, with whom he had Akhilesh Yadav. Malti Devi passed away in 2003. Reports suggest that Mulayam Singh Yadav had kept his second marriage private for a long period before eventually publicly acknowledging it. Prateek largely stayed away from political life. According to reports, he was involved in the real estate business and was passionate about fitness and bodybuilding. He owned a gym in Lucknow named 'The Fitness Planet'.&nbsp;</p>

Mulayam Singh Yadav's younger son Prateek Yadav has passed away, ANI reported. His dead body has been taken for post mortem process in Uttar Pradesh's Lucknow. This is a developing story

Prateek Yadav, who was the son of late former Uttar Pradesh Chief Minister Mulayam Singh Yadav, has passed away at a civil hospital in Lucknow on Wednesday (May 13), as per news agency ANI. He was the husband of Uttar Pradesh State Women’s Commission Vice-Chairperson Aparna Yadav and step brother of Samajwadi Party chief Akhilesh Yadav. The exact cause of death is yet to be officially confirmed, and a post-mortem examination is being conducted. According to the information available, Prateek Yadav was brought to the Civil Hospital, where doctors declared him dead. As per NDTV report, Prateek Yadav had been suffering from lung-related issues for a long time and was undergoing treatment for a blood clot in his lungs. When his condition deteriorated in the morning and he stopped responding, his family members immediately rushed him to the Civil Hospital. Issuing a statement on the incident, Uttar Pradesh Chief Minister Yogi Adityanath said that it is “heartbreaking.” In a post on X, he extended his “condolences” to the bereaved family. Samajwadi Party extended its condolences for the departed soul.

<p>Mulayam Singh Yadav's younger son Prateek Yadav has passed away, ANI reported. His dead body has been taken for post mortem process in Uttar Pradesh's Lucknow. This is a developing story</p>

Mulayam Singh Yadav's son and Akhilesh Yadav's step-brother Prateek Yadav passes away under unclear circumstances: Who was he

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Prateek Yadav's post-mortem report reveals what led to his death

Mulayam Singh Yadav's son Prateek Yadav passes away under unclear circumstances