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Heart bypass surgery creates a new route, called a bypass, for blood and oxygen to reach the heart.
Heart bypass surgery begins with an incision in the chest, and the breastbone is cut exposing the heart. Next, a portion of the saphenous vein, which is very large, is harvested from the inside of the leg. Pieces of this large vein are used to bypass the blocked coronary arteries, which are arteries that supply blood to the heart. The venous graft is sewn to the aorta, the main artery of the body, and to the affected coronary artery, to bypass the blocked site.
The internal mammary artery from the chest may also be used to bypass a clogged artery.
Several arteries may be bypassed depending on the condition of the heart. After the graft is created, the breastbone and chest are closed.
An estimated 90% of men who have sex with men and as many as 5% to 10% of sexually active women engage in receptive anal intercourse. Often referred to simply as anal sex, anal intercourse is sexual activity that involves inserting the penis into the anus. People may engage in anal intercourse, which has health risks, because the anus is full of nerve endings, making it very sensitive. For some recipients of anal sex, the anus can be an erogenous zone that responds to sexual stimulation. For the giving partner, the anus may provide a pleasing tightness around the penis. While some people find anal sex enjoyable, the practice has downsides and requires special safety precautions. Is Anal Sex Safe? There are a number of health risks with anal sex, and anal intercourse is the riskiest form of sexual activity for several reasons, including the following: The anus lacks the natural lubrication the vagina has. Penetration can tear the tissue inside the anus, allowing bacteria and viruses to enter the bloodstream. This can result in the spread of sexually transmitted infections including HIV. Studies have suggested that anal exposure to HIV poses 30 times more risk for the receptive partner than vaginal exposure. Exposure to the human papillomavirus (HPV) may also lead to the development of anal warts and anal cancer. Using lubricants can help some, but doesn't completely prevent tearing. The tissue inside the anus is not as well protected as the skin outside the anus. Our external tissue has layers of dead cells that serve as a protective barrier against infection. The tissue inside the anus does not have this natural protection, which leaves it vulnerable to tearing and the spread of infection. The anus was designed to hold in feces. The anus is surrounded with a ring-like muscle, called the anal sphincter, which tightens after we defecate. When the muscle is tight, anal penetration can be painful and difficult. Repetitive anal sex may lead to weakening of the anal sphincter, making it difficult to hold in feces until you can get to the toilet. However, Kegel exercises to strengthen the sphincter may help prevent this problem or correct it. The anus is full of bacteria. Even if both partners do not have a sexually-transmitted infection or disease, bacteria normally in the anus can potentially infect the giving partner. Practicing vaginal sex after anal sex can also lead to vaginal and urinary tract infection
Using state of the art 3D animation techniques, this video shows the anatomy of the heart. Includes close ups of the superior vena cava, rights and left atrium, the valves, the ventricles and the pulmonary artery.
Please note: this video contains no audio description or captions.
Your heart is an extraordinary machine - enjoy the visual showing you how it works :)
Copyright - Arcreative
Curious about medical device 3D animation? ➜ http://www.arcreative-media.com
Ovulation is the release of eggs from the ovaries. In humans, this event occurs when the follicles rupture and release the secondary oocyte ovarian cells. After ovulation, during the luteal phase, the egg will be available to be fertilized by sperm
https://bit.ly/3HIStRc #shorts
Coloscopy | Colon Polyp Resection | Polypectomy
Colonoscopies are essential for detecting colorectal abnormalities, including colon polyps. Polypectomy, the surgical removal of these growths, can prevent them from becoming cancerous. This article offers a brief overview of colonoscopies, colon polyps, and polypectomy procedures.
A colonoscopy is an endoscopic examination allowing healthcare providers to visualize the colon and rectum using a colonoscope. The colonoscope, a flexible tube with a camera and light source, helps detect abnormalities, including polyps or tumors.
Colon polyps are abnormal growths arising from the colon's inner lining. While most polyps are benign, some can become malignant. Adenomatous polyps have a higher potential to become cancerous, whereas hyperplastic and inflammatory polyps pose a lower risk.
Polypectomy involves removing colon polyps during a colonoscopy. Two primary techniques include snare polypectomy, using a wire loop to cut the polyp, and cold forceps polypectomy, which employs forceps to grasp and remove smaller polyps.
Following a polypectomy, patients may experience mild discomfort or bleeding. Regular surveillance is crucial to minimize colorectal cancer risk. The frequency of surveillance colonoscopies depends on the number, size, and type of polyps found, as well as the patient's overall risk factors.
Colonoscopies and polypectomies play vital roles in detecting and removing colon polyps, reducing the risk of colorectal cancer, and maintaining optimal colon health.
Do you want to learn more about colon polyps and colonoscopy? check our:
Article @ https://bit.ly/41w5Ooq
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A Lecture Presented by Dr. Mostafa Yakoot to Vascular Surgery Congress. TITLE: SAFETY & EFFICACY OF A NEW HONEY OINTMENT (PEDYPHAR) FOR DIABETIC FOOT ULCERS. Based on the original article in JWC by: Yakoot M, Abdelatif M, Etman M.
Osteoporosis is a disease that weakens bones over time. Because of this, it puts you at risk for breaking a bone. Postmenopausal osteoporosis is the most common form of osteoporosis. It affects many women after menopause, leaving some women at high risk for fracture. - See more at: https://www.prolia.com/postmenopausal-osteoporosis/deeper-look/?WT.z_co=A&WT.z_in=PMO&WT.z_ch=PDS&WT.z_st=Site1&WT.z_mt=Broad&WT.z_pdskw=www%20osteoporosis&WT.z_ag=Osteoporosis%20Information%20-%20Broad&WT.z_se=G&WT.srch=1&WT.z_prm=DSE__&WT.mc_id=A_PMO_PDS_G_DSE___Broad_www%20osteoporosis_Osteoporosis%20Information%20-%20Broad#sthash.x5Ys3Now.dpuf
Diabetes, often referred to by doctors as diabetes mellitus, describes a group of metabolic diseases in which the person has high blood glucose (blood sugar), either because insulin production is inadequate, or because the body's cells do not respond properly to insulin, or both. Patients with high blood sugar will typically experience polyuria (frequent urination), they will become increasingly thirsty (polydipsia) and hungry (polyphagia).
Tendon repair can be performed using: Local anesthesia (the immediate area of the surgery is pain-free) Regional anesthesia (the local and surrounding areas are pain-free) General anesthesia (the patient is asleep and pain-free) The surgeon makes a cut on the skin over the injured tendon. The damaged or torn ends of the tendon are sewn together. If the tendon has been severely injured, a tendon graft may be needed. In this case, a piece of tendon from the foot, toe, or another part of the body is often used. If needed, tendons are reattached to the surrounding tissue. The surgeon examines the area to see if there are any injuries to nerves and blood vessels. When the repair is complete, the wound is closed. If the tendon damage is too severe, the repair and reconstruction may have to be done at different times. The surgeon will perform one surgery to repair part of the injury, and then allow the hand to heal for a few weeks. Another surgery will be done later to complete the reconstruction and repair the tendon.
A chronic cough is a cough that lasts eight weeks or longer in adults, or four weeks in children. A chronic cough is more than just an annoyance. A chronic cough can interrupt your sleep and leave you feeling exhausted. Severe cases of chronic cough can cause vomiting, lightheadedness and even rib fractures. While it can sometimes be difficult to pinpoint the problem that's triggering a chronic cough, the most common causes are tobacco use, postnasal drip, asthma and acid reflux. Fortunately, chronic cough typically disappears once the underlying problem is treated.
Cardiovascular Examination Clinical skills - Medical School Revision - Dr Gill
The cardiac exam is one of the clinical skills that medical students learn completely, as more often than not, patients will consult regularly about chest pain, and it is important to be able to identify key cardiovascular signs
As a junior doctor, the examination of the cardiovascular system can be almost a dreaded examination, as cardiac murmurs can literally take years of exposure in order to gain confidence with their identification through cardiac auscultation.
This video demonstrates not merely the examination of the heart, but the complete cardiovascular system including its peripheries.
I hope these clinical skill revision videos are helpful, please like and subscribe and join the community so that we can create more effective videos to help with your journey through medical school
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Some people have found this video useful for ASMR
Learn with Dr. Wahdan 2
You can download the lecture from this link
https://docdro.id/5ni1FFZ
Teratomas are tumors made up of tissues, such as hair, muscle, and bone. They occur most often in the ovaries in women, and the testicles in men. They may be benign or malignant. Symptoms vary depending on the location. A painful lump or swelling may be apparent. Some babies have a mass that can be seen on an ultrasound before birth. Treatment often involves surgery. In rare cases when a teratoma is malignant, chemotherapy or radiation may be needed.