Top videos
The menstrual cycle is the regular natural change that occurs in the female reproductive system that makes pregnancy possible. The cycle is required for the production of oocytes, and for the preparation of the uterus for pregnancy.
Rhomboid muscle strain and spasm causes upper back pain between the shoulder blades. Some patients describe the muscle spasms and discomfort as knots in the back. Early treatment is important to speed healing and recovery. Ice therapy for the first few days followed by moist heat can help relieve symptoms.Oct 12, 2015
Experts do not know the exact cause of Zollinger-Ellison syndrome. About 25 to 30 percent of gastrinomas are caused by an inherited genetic disorder called multiple endocrine neoplasia type 1 (MEN1). MEN1 causes hormone-releasing tumors in the endocrine glands and the duodenum.
Indwelling urinary catheters are commonly used in hospitals and can lead to preventable catheter-associated UTI. How can rates of catheter-associated UTI be reduced in hospitals? New research findings are summarized in a new NEJM Quick Take. Learn more at http://nej.md/1WoeHdF SHOW MORE
A successful cardiovascular exam includes visual examination, palpation of the apical impulse, auscultation of Erb's point, auscultation of the carotids, and auscultation over the four different heart valve locations (aortic, pulmonic, tricuspid, and mitral). Additionally, the radial pulse is palpated while auscultating to distinguish whether a murmur is diastolic or systolic.
Video Index:
0:13 - Inspection of the thorax
0:29 - Palpation of the apex heart beat
0:59 - Auscultation of the heart
1:16 - Auscultation of the Erb’s point
1:33 - Using Erb’s point to check the heart rate
1:45 - Systolic and diastolic heart sound identification
2:01 - Ascultating individual valves: aortic, pulmonary, tricuspid, mitral
2:41 - Ascultation of the carotids
2:54 - Ascultating the pulmonary and aortic valves
3:04 - Ascultation of the mitral valve
3:16 - Mitral valve murmurs
Subscribe to AMBOSS YouTube for the latest clinical examination videos, medical student interviews, study tips and tricks, and live webinars!
Free 5 Day Trial: https://go.amboss.com/amboss-YT
Instagram: https://www.instagram.com/amboss_med/
Facebook: https://www.facebook.com/AMBOSS.Med/
Twitter: https://twitter.com/ambossmed
Blog: https://blog.amboss.com/us
#CardiovascularExamination #AuscultationOfTheHeart #USMLE #AMBOSSMed
External cephalic version is a process by which a breech baby can sometimes be turned from buttocks or foot first to head first. External cephalic version (ECV) is a manual procedure that is advocated by national guidelines for breech presentation singleton pregnancy, in order to enable vaginal delivery.
The sinus is a hollow area in the back part of the mouth, when people lost thier teeth in this area, the bone will quickly resorbed, One way we can place implant into this area is by put graft materials in the sinus and hoped that the bone will take and allow us to place implant into the grafted bone. The grafting increases the time and the risk of successful implantation.
Computed tomography (CT)-guided transthoracic needle biopsy is a well-established, minimally invasive diagnostic tool for pulmonary lesions. Few large studies have been conducted on the diagnostic performance and adequacy for molecular testing of transthoracic core needle biopsy (TCNB) for small pulmonary lesions.
This patient's age, speech delay, bilateral lower-extremity weakness, apparent increase in calf diameter, and history of a wheelchair-bound uncle are typical of Duchenne muscular dystrophy (DMD). DMD is the most common muscular dystrophy of childhood that affects boys who have inherited a defective dystrophin gene on X-chromosome p21. Weakness begins in the proximal lower-extremity muscles and manifests as difficulty walking, running, jumping, and climbing stairs. Boys may push their arms on their thighs (Gower sign) to transition from sitting to standing.
PARASITE REMOVED FROM THE EYEBALL OF A YOUNG N, NOT FOR THE SCREAMISH!Loa Loa worms (also known as the "eye worm") are classified as filarial worms, meaning they thrive in human tissue. The Loa Loa worm is also called the "eye worm" because they often migrate through the eye and surrounding subsurface areas. At one time, prior to the 1920s, loa loa worm infections occurred in the United States. Today, however, they mainly infect people who are native to Sudan, and those who live in or near Central and West Africa's swamps and rain forests.
Loiasis is the infestation of loa loa worms in humans. The larvae are first collected from an infected individual when a mango fly (horsefly) or a deer fly bites the individual, and acquires the larvae. The larvae then progress through the fly's body, finally reaching the feeding tube. They are then transferred to a human host when the fly bites the human. The larvae may remain unnoticed for months or years before becoming an adult, mating, and producing offspring.
Adult female Loa Loa worms can reach a length of 2 1/2 inches while males are approximately half that size. Loa Loa worms can live approximately fifteen years inside their human hosts. They travel continuously through connective and deep tissue, often without the victim experiencing any sensation other than occasional itching.
It is when the worm slows or reaches a sensitive spot that a person will often feel the greatest discomfort. At this point, immune reactions may also include localized redness and a condition called "Calabar" swelling. Skin eruptions and muscle pain may be evident.
When the Loa Loa worm reaches the eye tissue, it can be easily seen and felt within the eyeball for up to an hour. It is usually removed under local anesthesia if the patient is within proximity of a qualified physician. When an adult worm dies, the surrounding tissue may abscess and require excision. Encephalitis can occur if the worm reaches the brain.
After mating, the female will deposit eggs - called microfilariae. These tiny organisms then travel in a worm-like fashion in the bloodstream during daytime hours, when potential host flies are most abundant. They congregate in the lungs at night.
A Loa Loa worm infection is rarely fatal and treatments often cause more life-threatening side effects than the actual infestation, especially if the worms are widespread. The most common treatments are DEC (diethylcarbamazine) and Ivermectin