An animated description of the use of a cannulated Herbert screw for surgical treatment of scaphoid fractures.

An animation for Acumed demonstrating their new line of screws for fixing fractures. This one is focused on a Scaphoid fracture in the hand.

How to examine a patient's wrist if you suspect a scaphoid fracture: by Cape Town Emergency Medicine

Anatomical snuff box tenderness due to probable scaphoid wrist bone fracture.

Learn how LifeVac works through this training demonstration.

Chalazions are extremely common, and having a sound surgical technique to drain a chalazion is a fundamental in general ophthalmology and oculoplastic surgery. I believe one of the biggest downfalls in treating chalazions is inadequate local anesthetic. Please that both the outer and inner surface to the eyelid need to receive local anesthesia to make the patient totally comfortable. It is important to be careful in delivering the local anesthetic and making sure you have control of the head position, and the position of your needle is bent to minimize any possibility of contact with the globe.

Lots of people wonder: does the pull out method work to prevent pregnancy? Pull out method effectiveness depends on whether or not you do it correctly. Learn more about pulling out in this video.

Spermicide is a birth control method that contains chemicals that stop sperm from moving. Spermicides are available in different forms, including creams, film, foams, gels, and suppositories. Spermicide can be used alone, or it can be used with other birth control methods to make them more effective. It is always used with the diaphragm and cervical cap.

Emergency Contraception is a way to prevent pregnancy AFTER unprotected sex. Lots of people have questions about it: What does the morning after pill do? How does emergency contraception work to prevent pregnancy? What are the different types of emergency contraception? This video answers these questions and more.

The birth control ring — also called Nuva Ring or vaginal ring — is safe and effective. It prevents pregnancy, and can also help with cramps and other period problems. Here’s how the birth control ring works.

If you’re thinking about going on the pill, you may have questions. What do birth control pills do? Are birth control pills safe? Here’s all the info on how to use birth control pills.

The birth control shot — also called the Depo shot or Depo Provera — is an effective way to prevent pregnancy. How does the birth control shot work? Find out in this video.

The abortion pill is a medicine called mifepristone that ends an early pregnancy.In general, it's used up to 70 days — 10 weeks — after the first day of a woman's last period. Patients over this mark can have an in-clinic abortion procedure.

The IUD is birth control that’s very effective and convenient. How does an IUD work to prevent pregnancy?

What is a female condom? How do female condoms work to prevent pregnancy and STDs? Learn all about female condoms — also called internal condoms — in this video.

How do you know if you have an STD? There’s only one way — you have to get tested. How do they test for STDs? Here’s the good news: STD testing is usually quick and painless. Get answers to all your questions about how to get tested for STDs.

Wondering how pregnancy happens? It’s not as simple as it seems! Pregnancy takes several days, and there are lots of steps. Here are the basics on how pregnancy works.

Sound waves enter the ear canal and make the ear drum vibrate. This action moves the tiny chain of bones (ossicles – malleus, incus, stapes) in the middle ear. The last bone in this chain 'knocks' on the membrane window of the cochlea and makes the fluid in the cochlea move.

An antisperm antibody test looks for special proteins (antibodies) that fight against a man's sperm in blood, vaginal fluids, or semen. The test uses a sample of sperm and adds a substance that binds only to affected sperm. Semen can cause an immune system response in either the man's or woman's body. The antibodies can damage or kill sperm. If a high number of sperm antibodies come into contact with a man's sperm, it may be hard for the sperm to fertilize an egg. The couple has a hard time becoming pregnant. This is called immunologic infertility.

Australian Blood Donor Saves 2 Millions Babies with Special Right Arm