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How Ultrasound works
How Ultrasound works samer kareem 2,533 Views • 3 years ago

Ultrasound or ultrasonography is a medical imaging technique that uses high frequency sound waves and their echoes. The technique is similar to the echolocation used by bats, whales and dolphins, as well as SONAR used by submarines. In ultrasound, the following events happen: The ultrasound machine transmits high-frequency (1 to 5 megahertz) sound pulses into your body using a probe. The sound waves travel into your body and hit a boundary between tissues (e.g. between fluid and soft tissue, soft tissue and bone). Some of the sound waves get reflected back to the probe, while some travel on further until they reach another boundary and get reflected. The reflected waves are picked up by the probe and relayed to the machine. The machine calculates the distance from the probe to the tissue or organ (boundaries) using the speed of sound in tissue (5,005 ft/s or1,540 m/s) and the time of the each echo's return (usually on the order of millionths of a second). The machine displays the distances and intensities of the echoes on the screen, forming a two dimensional image like the one shown below.

Pulmonary Fibrosis
Pulmonary Fibrosis samer kareem 1,735 Views • 3 years ago

Pulmonary fibrosis is a condition in which the tissue deep in your lungs becomes scarred over time. This tissue gets thick and stiff. That makes it hard for you to catch your breath, and your blood may not get enough oxygen. Causes of pulmonary fibrosis include environmental pollutants, some medicines, some connective tissue diseases, and interstitial lung disease. Interstitial lung disease is the name for a large group of diseases that inflame or scar the lungs. In most cases, the cause cannot be found. This is called idiopathic pulmonary fibrosis

Radiation for Eye Cancers
Radiation for Eye Cancers DrHouse 9,796 Views • 3 years ago

Radiation treatment of the eye may be an alternative to standard treatment for certains cancers of the eye.

Hypernatremia
Hypernatremia samer kareem 1,364 Views • 3 years ago

Sodium levels are tightly controlled in a healthy individual by regulation of urine concentration and an intact thirst mechanism. Hypernatremia (defined as a serum sodium level >145 mEq/L) is rare in patients with preserved thirst mechanism. When hypernatremia does occur, it is associated with a high mortality rate (>50% in most studies). Given this high mortality rate, the emergency physician must be able to recognize and treat this condition. This article discusses the patients in whom hypernatremia should be suspected and how to initiate workup and administer appropriate treatment. In general, hypernatremia can be caused by derangement of the thirst response or altered behavioral response thereto (primarily psychiatric patients, and elderly patients who are institutionalized), impaired renal concentrating mechanism (diabetes insipidus [DI]) secondary to kidney pathology (nephrogenic DI) or difficulty with the neurohormonal control of this concentrating mechanism (central DI), or by losses of free water from other sources.

Medical Abortion Surgical Procedure
Medical Abortion Surgical Procedure hooda 147,529 Views • 3 years ago

Watch that Medical Abortion Surgical Procedure

Priapism
Priapism samer kareem 4,102 Views • 3 years ago

Priapism is a prolonged erection of the penis. The persistent erection continues hours beyond or isn't caused by sexual stimulation. Priapism is usually painful. Although priapism is an uncommon condition overall, it occurs commonly in certain groups, such as people who have sickle cell anemia. Prompt treatment for priapism is usually needed to prevent tissue damage that could result in the inability to get or maintain an erection (erectile dysfunction). Priapism is most common in men in their 30s.

Female Circumcision Infibulation Corrective Surgery
Female Circumcision Infibulation Corrective Surgery Obed Rukango 4,220 Views • 3 years ago

Correcting fgm https://oddafrica.com/videos/female-genital-mutilation-in-africa/

Colonoscopy with diverticulosis and a polyp
Colonoscopy with diverticulosis and a polyp Mohamed Ibrahim 17,699 Views • 3 years ago

Small colon polyp (redish bump)and many diverticuli (small outpouches in wall of the colon)

Full Real Human Body Decomposing Process
Full Real Human Body Decomposing Process hooda 158,772 Views • 3 years ago

Watch that Full Real Human Body Decomposition Process

Male to female gender change surgery
Male to female gender change surgery Scott 6,786 Views • 3 years ago

Ever wonder How Male to Female Trans'Gender Surgery works?

Penile Implant
Penile Implant samer kareem 13,207 Views • 3 years ago

Penile implants are devices placed inside the penis to allow men with erectile dysfunction (ED) to get an erection. Penile implants are typically recommended after other treatments for ED fail. There are two main types of penile implants, semirigid and inflatable.

Medical Videos - Types of Female Genital discharge
Medical Videos - Types of Female Genital discharge hooda 27,036 Views • 3 years ago

Watch that video to know the Types of Female Genital discharge

Shave Your Pubic Hair
Shave Your Pubic Hair samer kareem 3,963 Views • 3 years ago

Shave Your Pubic Hair

Rotator Cuff Repair Surgery
Rotator Cuff Repair Surgery samer kareem 4,127 Views • 3 years ago

Rotator cuff repair is surgery to repair a torn tendon in the shoulder. The procedure can be done with a large (open) incision or with shoulder arthroscopy, which uses small buttonhole-sized incisions.

Rectal Examination
Rectal Examination samer kareem 10,659 Views • 3 years ago

Rectal Examination

Laparoscopic treatment of a large Umbilical Hernia in an obese patient.
Laparoscopic treatment of a large Umbilical Hernia in an obese patient. Doctor 13,957 Views • 3 years ago

Video of Laparoscopic treatment of a large Umbilical Hernia in an obese patient.

Patent Ductus Arteriosus Ligation
Patent Ductus Arteriosus Ligation s 25,029 Views • 3 years ago

This video: Patent ductus arteriosus (PDA) is a persistent opening between two major blood vessels leading from the heart. The opening, called the ductus arteriosus, is a normal part of a baby's circulatory system before birth that usually closes shortly after birth. If it remains open, however, it's called a patent ductus arteriosus. A small patent ductus arteriosus often doesn't cause problems and might never need treatment. However, a large patent ductus arteriosus left untreated can allow poorly oxygenated blood to flow in the wrong direction, weakening the heart muscle and causing heart failure and other complications. Treatment options for a patent ductus arteriosus include monitoring, medications and closure by cardiac catheterization or surgery.

Spleen Pain
Spleen Pain samer kareem 8,296 Views • 3 years ago

What is the spleen and what causes an enlarged spleen (splenomegaly)? The spleen sits under your rib cage in the upper left part of your abdomen toward your back. It is an organ that is part of the lymph system and works as a drainage network that defends your body against infection. White blood cells produced in the spleen engulf bacteria, dead tissue, and foreign matter, removing them from the blood as blood passes through it. The spleen also maintains healthy red and white blood cells and platelets; platelets help your blood clot. The spleen filters blood, removing abnormal blood cells from the bloodstream. A spleen is normally about the size of your fist. A doctor usually can't feel it during an exam. But diseases can cause it to swell and become many times its normal size. Because the spleen is involved in many functions, many conditions may affect it.

Prolapse - Causes, prevention and treatment
Prolapse - Causes, prevention and treatment samer kareem 5,940 Views • 3 years ago

our uterus (or womb) is normally held in place inside your pelvis with various muscles, tissue, and ligaments. Because of pregnancy, childbirth or difficult labor and delivery, in some women these muscles weaken. Also, as a woman ages and with a natural loss of the hormone estrogen, her uterus can drop into the vaginal canal, causing the condition known as a prolapsed uterus.

PAP Smear
PAP Smear samer kareem 9,466 Views • 3 years ago

A Pap smear (also called a Pap test) is a screening procedure for cervical cancer. It tests for the presence of precancerous or cancerous cells on the cervix, the opening of the uterus. It's named after the doctor who determined that this was a useful way to detect signs of cervical cancer.

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