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Sarcoidosis Features
Sarcoidosis Features samer kareem 1,012 Views • 3 years ago

Sarcoidosis is an inflammatory disease that affects multiple organs in the body, but mostly the lungs and lymph glands. In people with sarcoidosis, abnormal masses or nodules (called granulomas) consisting of inflamed tissues form in certain organs of the body. These granulomas may alter the normal structure and possibly the function of the affected organ(s).

Middle cerebral artery aneurysm
Middle cerebral artery aneurysm samer kareem 1,505 Views • 3 years ago

in this patient the aneurysm wasarising from middle cerebral artery M1 segment dividng into three branches,it is mandatory topreserve all three divisions,as was done in this case,this pt 25 yrs young man presented with sub arachnoid haemorrhage

Colonoscopy Showing Moving Parasites
Colonoscopy Showing Moving Parasites Surgeon 10,104 Views • 3 years ago

Colonoscopy Showing Moving Parasites

Can You Drink Water When You Eat?
Can You Drink Water When You Eat? samer kareem 2,179 Views • 3 years ago

Ganglion Cyst Drained with BIG Needle
Ganglion Cyst Drained with BIG Needle Scott 29,079 Views • 3 years ago

Ganglion Cyst Drained with BIG Needle

Learn How to Suture a Banana
Learn How to Suture a Banana Mohamed Ibrahim 15,464 Views • 3 years ago

Learn How to Suture a Banana

Carotid Artery Disease
Carotid Artery Disease samer kareem 1,677 Views • 3 years ago

Carotid artery stenosis can be caused by cholesterol build-up in the blood vessels (atherosclerosis). Blood clots can form in this area and travel up to the brain. This condition may be present for a long time before symptoms appear. When symptoms do occur, stroke or brief stroke-like attacks are common. If this condition is discovered as a result of a stroke or stroke-like attack, cholesterol lowering medications and blood thinners may be used to improve blood flow to the brain. If the degree of narrowing is severe, surgery may be needed to open the blood vessel.

HIV Virus Life Cycle and Drug Reaction
HIV Virus Life Cycle and Drug Reaction Magdy 11,487 Views • 3 years ago

Binding and Fusion: HIV begins its life cycle
when it binds to a CD4 receptor and one of two
co-receptors on the surface of a CD4+
Tlymphocyte. The virus then fuses with the host
cell. After fusion, the virus releases RNA, its
genetic material, into the host cell.

Reverse Transcription: An HIV enzyme
called reverse transcriptase converts the singlestranded HIV RNA to double-stranded HIV DNA.

Integration: The newly formed HIV DNA
enters the host cell's nucleus, where an HIV
enzyme called integrase "hides" the HIV DNA
within the host cell's own DNA. The integrated
HIV DNA is called provirus. The provirus may
remain inactive for several years, producing few or
no new copies of HIV

Transcription: When the host cell receives a
signal to become active, the provirus uses a host
enzyme called RNA polymerase to create copies of
the HIV genomic material, as well as shorter
strands of RNA called messenger RNA (mRNA).
The mRNA is used as a blueprint to make long
chains of HIV proteins.

Assembly: An HIV enzyme called protease cuts
the long chains of HIV proteins into smaller
individual proteins. As the smaller HIV proteins
come together with copies of HIV's RNA genetic
material, a new virus particle is assembled.

Budding: The newly assembled virus pushes out
("buds") from the host cell. During budding, the new
virus steals part of the cell's outer envelope. This
envelope, which acts as a covering, is studded with
protein/sugar combinations called HIV
glycoproteins. These HIV glycoproteins are
necessary for the virus to bind CD4 and coreceptors. The new copies of HIV can now move
on to infect other cells.

Amazing Spinal Curvature Surgery |
Amazing Spinal Curvature Surgery | Scott 4,334 Views • 3 years ago

Scoliosis is a sideways curvature of the spine that occurs most often during the growth spurt just before puberty. While scoliosis can be caused by conditions such as cerebral palsy and muscular dystrophy, the cause of most scoliosis is unknown. Most cases of scoliosis are mild, but some children develop spine deformities that continue to get more severe as they grow. Severe scoliosis can be disabling. An especially severe spinal curve can reduce the amount of space within the chest, making it difficult for the lungs to function properly. Children who have mild scoliosis are monitored closely, usually with X-rays, to see if the curve is getting worse. In many cases, no treatment is necessary. Some children will need to wear a brace to stop the curve from worsening. Others may need surgery to keep the scoliosis from worsening and to straighten severe cases of scoliosis.

Difference between arteriosclerosis and atherosclerosis
Difference between arteriosclerosis and atherosclerosis samer kareem 1,871 Views • 3 years ago

Arteriosclerosis occurs when the blood vessels that carry oxygen and nutrients from your heart to the rest of your body (arteries) become thick and stiff — sometimes restricting blood flow to your organs and tissues. Healthy arteries are flexible and elastic, but over time, the walls in your arteries can harden, a condition commonly called hardening of the arteries. Atherosclerosis is a specific type of arteriosclerosis, but the terms are sometimes used interchangeably. Atherosclerosis refers to the buildup of fats, cholesterol and other substances in and on your artery walls (plaques), which can restrict blood flow. These plaques can burst, triggering a blood clot. Although atherosclerosis is often considered a heart problem, it can affect arteries anywhere in your body. Atherosclerosis may be preventable and is treatable.

Pancreatitis video and animation
Pancreatitis video and animation Mohamed 10,445 Views • 3 years ago

Pancreatitis is inflammation of the pancreas. The pancreas is a gland located behind the stomach. It releases the hormones, insulin and glucagon, as well as digestive enzymes that help you digest and absorb food.

Male Reproductive System of Human
Male Reproductive System of Human samer kareem 4,663 Views • 3 years ago

The purpose of the organs of the male reproductive system is to perform the following functions: To produce, maintain, and transport sperm (the male reproductive cells) and protective fluid (semen) To discharge sperm within the female reproductive tract during sex To produce and secrete male sex hormones responsible for maintaining the male reproductive system

S-ICD Implant Procedure
S-ICD Implant Procedure samer kareem 2,647 Views • 3 years ago

S-ICD leaves the heart and vasculature untouched. It may be implanted using only anatomical landmarks, thereby eliminating the need for fluoroscopy during implant and therefore reducing radiation exposure for both patients and physicians and eliminating the need for lead apron during implant.

Folic Acid & Pregnancy
Folic Acid & Pregnancy samer kareem 1,732 Views • 3 years ago

If you're pregnant or might become pregnant, it's critically important to get enough folic acid, the synthetic form of vitamin B9, also known as folate. Folic acid helps prevent neural tube defects (NTDs) – serious birth defects of the spinal cord (such as spina bifida) and the brain (such as anencephaly).

Burns EMERGENCY MANAGEMENT
Burns EMERGENCY MANAGEMENT samer kareem 2,903 Views • 3 years ago

Neck pain caused by Wisdom Tooth Extraction
Neck pain caused by Wisdom Tooth Extraction samer kareem 2,548 Views • 3 years ago

Wisdom teeth extractions can rear their ugly head later in life. This is a video of a patient with neck pain and neck weakness. When we stimulated the nerve fibers in the area of the extracted teeth there was an immediate improvement in her ability to control her neck muscles.

Chronic Angina
Chronic Angina samer kareem 7,768 Views • 3 years ago

Chronic angina is a prevalent manifestation of cardiovascular disease and is most commonly due to insufficient oxygen supply from fixed epicardial lesions in the coronary arteries.

232 Teeth Removal From Indians' Boy Mouth
232 Teeth Removal From Indians' Boy Mouth hooda 95,564 Views • 3 years ago

Watch that video of 232 Teeth Removal From Indians' Boy Mouth

How To Make Bigger Breast
How To Make Bigger Breast lorenzo 9,132 Views • 3 years ago

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Tracheotomy Procedure for Airway- 3D Medical Animation
Tracheotomy Procedure for Airway- 3D Medical Animation Scott 16,633 Views • 3 years ago

A tracheotomy or a tracheostomy: is simply an opening surgically created through the neck into the trachea (windpipe) to allow direct access to the breathing tube and is commonly done in an operating room under general anesthesia. A tube is usually placed through this opening to provide an airway and to remove secretions from the lungs. Breathing is done through the tracheostomy tube rather than through the nose and mouth. The term “tracheotomy” refers to the incision into the trachea (windpipe) that forms a temporary or permanent opening, which is called a “tracheostomy,” however; the terms are sometimes used interchangeably.

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