PHD meaning in Medical ?

Answer:

What is Pulmonary Heart Disease mean?

Pulmonary heart disease, also known as cor pulmonale, is the enlargement and failure of the right ventricle of the heart as a response to increased vascular resistance (such as from pulmonic stenosis) or high blood pressure in the lungs.

Chronic pulmonary heart disease usually results in right ventricular hypertrophy (RVH), whereas acute pulmonary heart disease usually results in dilatation. Hypertrophy is an adaptive response to a long-term increase in pressure. Individual muscle cells grow larger (in thickness) and change to drive the increased contractile force required to move the blood against greater resistance. Dilatation is a stretching (in length) of the ventricle in response to acute increased pressure.

To be classified as pulmonary heart disease, the cause must originate in the pulmonary circulation system; RVH due to a systemic defect is not classified as pulmonary heart disease. Two causes are vascular changes as a result of tissue damage (e.g. disease, hypoxic injury), and chronic hypoxic pulmonary vasoconstriction. If left untreated, then death may result. The heart and lungs are intricately related; whenever the heart is affected by a disease, the lungs risk following and vice versa.

reference

Full Form	Category
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Philosophiæ Doctor	Academic & Science
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Persons Having Dreams	Academic & Science
Posturing, Hallucinating, Dead	Academic & Science
Playa Hatin Degree	Academic & Science
Psycotic, Hyped, Delusional	Academic & Science
New Philadelphia (oh)	Airport Code
Proactis Holdings, P.L.C. Ordinary shares	Business
Phonetime, Incorporated	Business
Post Hole Digger	Business
Pizza Hut Delivery	Business
Patented Hosel Design	Business
Pizza Home Delivery	Business
Pete Hutchinson Design	Business
People Hail Devil	Community
Pretty Heavy Dictionary	Community
Preach Hellfire and Damnation	Community
Philippino Historical Dialogue	Community
Pretty Holy Disciple	Community
Programs For Human Development	Community
Progress, Harmony, and Development	Community
Preparing His Disciples	Community
Pretty Hard To Do	Community
Professor of Harmony Development	Community
Penitent Halo Disciple	Community
Potentially Headed for Divorce	Community
Portable Hard Drive	Computer Hardware
Permanent Head Damage	Computer Hardware
Procedures Help Desk	Computing
Professional Hardware Diagnostics	Computing
Pocket Hard Disk	Computing
Portable Handheld Development	Computing
Portable Hard Disk	Computing
Professional Help Desk	Database Management
Process Historian Database	Database Management
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Philosophiae Doctor	Educational Degree
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Professional Home Doctor	General
Pretty Hair Doctor	General
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Personal Health Diary	Medical
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Posts A Hundred Times Daily	Messaging
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Pretty Handsome Darling	Messaging
Preparation H Distributor	Messaging
Propitous Homely Dude	Messaging
Perfect Hot Date	Messaging
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P-helicity Decoupling Scheme (p=momentum)	Physics Related
Paint Has Dried	Real Estate
Port Huron and Detroit Railroad (CSX Transportation)	Regional
Port Huron and Detroit Railroad Company	Regional
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Physical, Healthy, and Driven	Sports
Pure Hard Dance	Sports