In medicine, the caloric reflex test is a test of the vestibulo-ocular reflex that involves irrigating cold or warm water or air into the external auditory canal.

Tracheostomy in the ICU

If you’re like me, you probably hook your chest tube up to a Pleur-Evac, put it on the ground, then back away slowly. Who knows what goes on in that mysterious bubbling white box? Hopefully this will post shed some light. Isn’t this just a container for stuff that comes out of the chest? Why does it look so complicated? It’s complicated because the detection/collection of air and fluid require different setups. Most commercial models also allow you to hook the drainage system to wall suction, so you can quickly evacuate the pleural space. This requires its own setup. Because of the need to juggle air, fluid and suction, the most common commercial system includes 3 distinct chambers. If you were to simplify the device, or build one out of spare bottles and tubes, it might look like this:

A neuron, also known as a neurone (British spelling) and nerve cell, is an electrically excitable cell that receives, processes, and transmits information through electrical and chemical signals. These signals between neurons occur via specialized connections called synapses.

The needle should pass through the tissue at a perpendiculaPlace the tips of the left-hand forceps on the underside of the tissue at the point where the needle will enter, and gently push the edge upward. With the right hand, bring the needle into contact with the tissue, and press downward. These movements create eversion. Pass the needle through. Do not grab the tissue with your left hand forceps since it will damage the intima. If needed, you can pick up adventitia or a nearby suture to help with exposure and eversion. r.The needle must pass through the other side at a perpendicular, too. Bring the tip of the needle to the place where you intend to bring it out on the other side. Put the tip of your left-hand forceps on the upper surface of the tissue at the intended exit point. Press down with the left-hand forceps and push up with the needle to give you the correct eversion. The width of the bite should be about three times the thickness of the needle. The bites on both sides must be equal, and the needle should cross exactly in a straight line (not diagonally). Pull the needle through the tissue following the curve of the needle

In this animated episode of eOrthopodTV, orthopedic surgeon Randale C. Sechrest, MD narrates the procedure to replace an arthritic knee with an artificial joint.

Laparoscopic anterior resection for cancer colon in Qatar by Dr. Al-Emadi

ROTIGS medical device by Honolulu inventor Dr. Brad NaPier makes difficult airway intubations easier for medical professionals.

The lymphatic system is a network of specialized vessels (lymph vessels) throughout the body whose purpose is to collect excess lymph fluid with proteins, lipids, and waste products from the tissues. This fluid is then carried to the lymph nodes, which filter waste products and contain infection-fighting cells called lymphocytes. The excess fluid in the lymph vessels is eventually returned to the bloodstream. When the lymph vessels are blocked or unable to carry lymph fluid away from the tissues, localized swelling (lymphedema) is the result.

The heart weighs between 7 and 15 ounces (200 to 425 grams) and is a little larger than the size of your fist. By the end of a long life, a person's heart may have beat (expanded and contracted) more than 3.5 billion times. In fact, each day, the average heart beats 100,000 times, pumping about 2,000 gallons. Your heart is located between your lungs in the middle of your chest, behind and slightly to the left of your breastbone (sternum). A double-layered membrane called the pericardium surrounds your heart like a sac. The outer layer of the pericardium surrounds the roots of your heart's major blood vessels and is attached by ligaments to your spinal column, diaphragm, and other parts of your body. The inner layer of the pericardium is attached to the heart muscle. A coating of fluid separates the two layers of membrane, letting the heart move as it beats. Your heart has 4 chambers. The upper chambers are called the left and right atria, and the lower chambers are called the left and right ventricles. A wall of muscle called the septum separates the left and right atria and the left and right ventricles. The left ventricle is the largest and strongest chamber in your heart. The left ventricle's chamber walls are only about a half-inch thick, but they have enough force to push blood through the aortic valve and into your body.

Histology of Aorta

Symptoms of depression in women include: Persistent sad, anxious, or "empty" mood. Loss of interest or pleasure in activities, including sex. Restlessness, irritability, or excessive crying. Feelings of guilt, worthlessness, helplessness, hopelessness, pessimism. Sleeping too much or too little, early-morning awakening.

Aspirin is a salicylate (sa-LIS-il-ate). It works by reducing substances in the body that cause pain, fever, and inflammation. Aspirin is used to treat pain, and reduce fever or inflammation. It is sometimes used to treat or prevent heart attacks, strokes, and chest pain (angina).

Ca2+ binds with the membrane of the synaptic vesicles, which causes the vesicles to break and release the neurotransmitter into the synaptic cleft. After the neurotransmitters are released, they diffuse across the synaptic cleft and interact with receptors on the postsynaptic membrane. When the action potential reaches the presynaptic terminal, it provokes the release of a small quantity of neurotransmitter molecules, which bind to chemical receptor molecules located in the membrane of another neuron, the postsynaptic neuron, on the opposite side of the synaptic cleft.

Get the facts and fight back against Dry Eye disease.

New Minimally Invasive Procedure with No Pain or Downtime… From Dr. Michael Goodman, Caring For Women Wellness Center Laser Vaginal Tightening for Improved Sexual Pleasure and Relief from Minimal Urinary Incontinence Laser Vaginal Therapy for reversing Vaginal Atrophy (Good also for Breast Cancer Survivors with Vaginal Atrophy)

Sialadenitis is an infection of the salivary glands. It is usually caused by a virus or bacteria . The parotid (in front of the ear) and submandibular (under the chin) glands are most commonly affected. Sialadenitis may be associated with pain, tenderness, redness, and gradual, localized swelling of the affected area.

Knee replacement involves replacing a knee joint that has been damaged or worn away, usually by arthritis or injury. Find out more here: https://www.bupa.co.uk/health-....information/knee-cli

A brief screening examination should be conducted checking the face, eyes, mouth, chest, abdomen, spine and limbs to exclude major abnormalities. A strong cry and a widespread pink blush over the face and body are good signs that all is well. Some children may be born with ambiguous genitalia. Ambiguous genitalia is a medical emergency and requires urgent assessment by a paediatrician. If you have sufficient clinical experience, an orogastric tube should be passed when the neonate's mother has suffered polyhydramnios. This excludes oesophageal atresia.

Shoulder dystocia is a specific case of obstructed labour whereby after the delivery of the head, the anterior shoulder of the infant cannot pass below, or requires significant manipulation to pass below, the pubic symphysis. It is diagnosed when the shoulders fail to deliver shortly after the fetal head. Shoulder dystocia is an obstetric emergency, and fetal demise can occur if the infant is not delivered, due to compression of the umbilical cord within the birth canal. It occurs in approximately 0.3-1% of vaginal births. Contemporary management of shoulder dystocia requires a calm operator and a well-thought-out plan of action. It is imperative that if not already present, help is summoned immediately after shoulder dystocia is recognized. This help may include additional nursing staff, an anesthesiologist, a pediatrician or neonatologist and an additional obstetrician or midwife. Future coordination may demonstrate that rapid response teams are best suited to attend to this emergency.