This video demonstrates the use of an episiotomy to facilitate vaginal delivery of a baby

some knowledge

A Pap smear (Papanicolau smear; also known as the Pap test) is a screening test for cervical cancer. The test itself involves collection of a sample of cells from a woman's cervix (the end of the uterus that extends into the vagina) during a routine pelvic exam

In Reye's syndrome, a child's blood sugar level typically drops while the levels of ammonia and acidity in his or her blood rise. At the same time, the liver may swell and develop fatty deposits. Swelling may also occur in the brain, which can cause seizures, convulsions or loss of consciousness. The signs and symptoms of Reye's syndrome typically appear about three to five days after the onset of a viral infection, such as the flu (influenza) or chickenpox, or an upper respiratory infection, such as a cold

Armpit Abscess Drainage

-The cremasteric reflex test is considered positive if there is elevation of the testis in response to stroking the upper inner thigh. This reaction is typically absent in testicular torsion and boys under the age of 6 months. Although not completely reliable in older boys and adults, an absent cremasteric reflex is highly suggestive of torsion. Patients with epididymitis usually have a normal cremasteric reflex, with pain and swelling isolated to

Brain Dissections & Meninges

Demonstration of a one-hand tie for suturing in the operating room.

Foot drop is a gait abnormality in which the dropping of the forefoot happens due to weakness, irritation or damage to the common fibular nerve including the sciatic nerve, or paralysis of the muscles in the anterior portion of the lower leg. It is usually a symptom of a greater problem, not a disease in itself.

The eyes A close up of a young person's eyes. The eyes are responsible for four-fifths of all the information our brain receives. Here you can find out a bit more about how they work, common problems that affect vision and the work Sightsavers does to treat and prevent avoidable blindness. You can also find out more about the people whose lives have been changed thanks to donations from people like you. How do eyes work? (click image to see enlarged version or click here for text alternative) Graphic of an eye with information about its different parts The images we see are made up of light reflected from the objects we look at. This light enters the eye through the cornea. Because this part of the eye is curved, it bends the light, creating an upside down image on the retina (this is eventually put the right way up by the brain). The retina is a complex part of the eye, but only the very back of it is light sensitive. This part of the retina has roughly the area of a 10p coin, and is packed with photosensitive cells called rods and cones. Cones are the cells responsible for daylight vision. There are three kinds – each responding to a different wavelength of light: red, green and blue. The cones allow us to see images in colour and detail. Rods are responsible for night vision. They are sensitive to light but not to colour. In darkness, the cones do not function at all. How do we see an image? The lens focuses the image. It can do this because it is adjustable – using muscles to change shape and help us focus on objects at different distances. The automatic focusing of the lens is a reflex response and is not controlled by the brain. Once the image is clearly focused on the sensitive part of the retina, energy in the light that makes up that image creates an electrical signal. Nerve impulses can then carry information about that image to the brain through the optic nerve.

Are you worried about getting a sports hernia exam? In this video, we'll show you exactly what to expect when you get your hernia exam.

We'll take you through the various steps that are taken during the hernia exam, so you can have a more comfortable and informative experience. After watching this video, you'll have a better idea of what to expect and be prepared for your hernia exam!
#sportshernia #groinpain #california

Knee pain facts Knee pain is a common problem with many causes, from acute injuries to complications of medical conditions. Knee pain can be localized to a specific area of the knee or be diffuse throughout the knee. Knee pain is often accompanied by physical restriction. A thorough physical examination will usually establish the diagnosis of knee pain. The treatment of knee pain depends on the underlying cause. The prognosis of knee pain is usually good although it might require surgery or other interventions.

Less than a decade ago, corneal transplantation took a big leap forward with the introduction of Descemet’s stripping endothelial keratoplasty (DSEK), which removes only Descemet’s membrane and the diseased endothelium and replaces them with a thin, tripartite donor graft of posterior corneal stroma, Descemet’s membrane, and healthy endothelium. Then came DSAEK, in which the donor graft is prepared with an automated microkeratome, allowing for easier donor preparation and reproducible results by surgeons and eye bank technicians.1 DSAEK has proved to have many advantages over penetrating keratoplasty (PK) and its endothelial predecessors (see “A Brief History of Endothelial Keratoplasty”). Now DSAEK is being compared with a newer technique, Descemet’s membrane endothelial keratoplasty (DMEK), which has emerged as a promising alternative—grafting only Descemet’s membrane and endothelium, allowing for a pure anatomical replacement of only what was removed and the possibility of even better vision with quicker healing.1 Although indications for these procedures are similar, each has unique benefits and drawbacks. Five cornea surgeons offer their perspectives on the procedures and their thoughts on whether it may be time to move to the newer surgery.

Watch that Female to Male Gender Changing Surgery

Squared Notch

A video describing the procedure of colonoscopy or flexible fibre-optic examination of the colon.

Chest pain is a frequent complaint of patients seeking urgent medical assistance, and accounts for an estimated 2-4 per cent of all A&E visits in the UK (Becker, 2000). Generally, acute chest pain should be considered cardiovascular in origin until proven otherwise and it is common in clinical practice to err on the conservative or ‘safe’ side when evaluating people with chest pain. Individuals with suspected ischaemic chest pain must be evaluated rapidly for several reasons: - Myocardial ischaemia, if prolonged and severe, can cause myocardial infarction (necrosis); - Treatment strategies that achieve myocardial salvage (thrombolytic therapy or primary coronary angioplasty) are available for patients with acute coronary syndromes and these treatments reduce morbidity and mortality;

A video showing the circumcision of a male baby

The gradual curves of the human spine allow the body to absorb many shocks and stresses in daily life. It’s a delicate balance, though, and if part of the spine curves too much, pain and limited mobility may result.