Cardiac Conduction System and Understanding ECG, Animation.

The cardiac conduction system consists of the following components: – The sinoatrial node, or SA node, located in the right atrium near the entrance of the superior vena cava. This is the natural pacemaker of the heart. It initiates all heartbeat and determines heart rate. Electrical impulses from the SA node spread throughout both atria and stimulate them to contract. […]

Premature Atrial Contractions (PACs), Animation.

Premature atrial contractions, PACs, are premature heartbeats originating in one of the upper chambers of the heart, the atria. PACs are common among patients with lung disorders, such as chronic obstructive pulmonary disease, COPD, but they also often occur in healthy people. PACs may be caused or worsened by caffeine, alcohol use, and certain medications. Apart from occasional palpitations, PACs […]

How to Test Your Blood Sugar

Many Canadians need to test their blood sugar levels every day. This video will show you how to: Prepare to test your blood sugar level, Lance your finger and draw blood for testing and to use your blood sugar meter. Part 1: Preparing to test your blood sugar level: To test your blood sugar level, you will need a blood […]

Big Data to individualize management of chronic diseases – Science Nation

♪ MUSIC ♪ ELLEN FLOYD: My immune system has like turned against me. I’m fighting a war with this. MILES O’BRIEN: For decades, Ellen Floyd has fought a hard battle with scleroderma, a complex autoimmune disease with many possible symptoms. For Ellen, it’s attacking her joints, esophagus, especially her lungs. ELLEN FLOYD: I have tried a lot of different methods, […]

HIV and AIDS: Infection Stages, Pathology and Treatment, Animation

HIV for human immunodeficiency virus is a virus that attacks the immune system weakening the body’s ability to fight infections progressive destruction of the immune system eventually leads to its failures a state known as acquired immunodeficiency syndrome or AIDS when the body is incapable of defending itself from common infections HIV targets a specific group of cells called cd4 […]


And, Action! today we’re here with Dr. Martin we’re helping him out he’s had a little injury so we’re gonna go ahead and proceed with another partial nail avulsion I’d like for you guys come close we have an ingrown nail also known as a paronychia he has developed this pyogenic granuloma once again it’s a hyper-granulation piece of tissue […]

Implementing TB Infection Control in Out-patient Settings

As a healthcare professional, you have a vital role to play in tuberculosis infection control in your clinic. If you see HIV positive patients in your clinic, you know that they’re at increased risk for getting TB because they’re very susceptible to certain infections. In fact, TB is the leading cause of death in people with HIV/AIDS. TB is different […]