It then spreads down the bundle of his and then purkinje fibres to cause ventricular contraction. So when viewing the heart from the front, the direction of depolarisation is 11 o'clock to 5 o'clock. The general direction of depolarisation is known as the cardiac axis.

Pulmonary embolism symptoms can vary greatly, depending on how much of your lung is involved, the size of the clots, and whether you have underlying lung or heart disease. Common signs and symptoms include: Shortness of breath. This symptom typically appears suddenly and always gets worse with exertion. Chest pain. You may feel like you're having a heart attack. The pain may become worse when you breathe deeply (pleurisy), cough, eat, bend or stoop. The pain will get worse with exertion but won't go away when you rest. Cough. The cough may produce bloody or blood-streaked sputum. Other signs and symptoms that can occur with pulmonary embolism include: Leg pain or swelling, or both, usually in the calf Clammy or discolored skin (cyanosis) Fever Excessive sweating Rapid or irregular heartbeat Lightheadedness or dizziness

Watch that video to know How to get Pregnant Fast

A cornea transplant, also called keratoplasty, is a surgical procedure to replace part of your cornea with corneal tissue from a donor. Your cornea is the transparent, dome-shaped surface of your eye that accounts for a large part of your eye's focusing power. A cornea transplant can restore vision, reduce pain and improve the appearance of a damaged or diseased cornea. Most cornea transplant procedures are successful. But cornea transplant carries a small risk of complications, such as rejection of the donor cornea.

Female Condom Demonstration

Learn with Dr. Wahdan 2
You can download the lecture from this link
https://docdro.id/5ni1FFZ

Rhumatic fever has almost been eraicated in the developed world, however it remains prevelent in many under developed countries and causes devastating damage to heart valves. Up till recently valve replacement was the treatment of choice. The long term results and sequelae of valve replacement are...

common knowledge. Mitral and tricuspid valve replacement results are on the whole far worse than for example Aortic valve. Mitral valve replacement should be the last resort and patients with very severe valvular and sub valvular mitral disease can nowadays be helped by mitral valve repair. NO MITRAL OR TRICUSPID VALVE SHOULD BE REPLACED IF IT CAN BE REPAIRED

PURPOSE: Laparoscopic partial nephrectomy (LPN) is an alternative modality of treatment for small sized renal cell carcinoma. Robot assisted laparoscopic partial nephrectomy (RLPN) has also been performed with an advantage in repairing resected surface after tumor resection. We compare the periopera...

tive data of patients treated with laparoscopic partial nephrectomy with those of RLPN undertaken patients. MATERIAL AND METHOD: From September 2006 to April 2008, 22 patients were treated with LPN and 22 were RLPN. 3 arms were used for RLPN; camera was inserted through the 12mm, umbilical trocar port. The laparoscopic Bulldog clamp was used for the clamping of renal hilum. We retrospectively compared each group about tumor size, operation time, estimated blood loss, warm ischemic time and hospital stay. RESULT: Operation time of LPN was shorter than that of RLPN (p=0.033). Tumor size, estimated blood loss and hospital stay was not significant different in each group. No case had conversion to open surgery. 1 patient of RLPN group, however, had conversion to radical nephrectomy due to severe bleeding. CONCLUSION: RLPN was safe and feasible in small sized renal cell carcinoma. Warm ischemic time was reasonable and morbidity associated with RLPN was also low. RLPN LPN p-value Tumor Size (cm) 2.5 2.1 0.605 Op time (min) 169.3 140.8 0.033 EBL (ml) 243.2 213.2 0.878 Warm Ischemic Time (min) 29.2 26.4 0.237 Transfusion (%) 4.5 4.5 0.756 Hospital stay (day) 4.4 5.5 0.053

Chronic obstructive pulmonary disease Email this page to a friend Print Facebook Twitter Google+ Chronic obstructive pulmonary disease (COPD) is a common lung disease. Having COPD makes it hard to breathe. There are two main forms of COPD: Chronic bronchitis, which involves a long-term cough with mucus Emphysema, which involves damage to the lungs over time Most people with COPD have a combination of both conditions. Causes Smoking is the main cause of COPD. The more a person smokes, the more likely that person will develop COPD. But some people smoke for years and never get COPD. In rare cases, nonsmokers who lack a protein called alpha-1 antitrypsin can develop emphysema. Emphysema Other risk factors for COPD are: Exposure to certain gases or fumes in the workplace Exposure to heavy amounts of secondhand smoke and pollution Frequent use of a cooking fire without proper ventilation Symptoms Symptoms may include any of the following: Cough, with or without mucous Fatigue Many respiratory infections Shortness of breath (dyspnea) that gets worse with mild activity Trouble catching one's breath Wheezing Because the symptoms develop slowly, some people may not know that they have COPD.

hemisplenectomy is removal of the half of the spleen.It was done firstly in Azerbaijan by prof. Dr Med Qurban Muslimov in 12 years old child with simple syst of the spleen.

For more information on peritoneal dialysis: https://www.massgeneralbrigham.....org/en/about/newsro

Why does someone need dialysis? What is peritoneal dialysis? How does it work? John Kevin Tucker, M.D., Nephrologist at Brigham and Women's Hospital and Vice President for Education at Mass General Brigham, discusses peritoneal dialysis and its benefits for people who have lost their kidney function.

Subscribe Link: https://www.youtube.com/channe....l/UCYrLjATd88gPwIKnt

0:00 - Intro
0:24 - Why Do I Need Dialysis?
1:42 - Treatment
2:02 - Why Is It Called Peritoneal Dialysis
2:35 - 2 Forms of Peritoneal Dialysis
3:50 - Continuous Cycling Peritoneal Dialysis
4:38 - Myths
5:55 - Preparing For Peritoneal Dialysis

About Mass General Brigham:
Mass General Brigham combines the strength of two world-class academic medical centers, five nationally ranked specialty hospitals, 11 community hospitals, and dozens of health centers. Our doctors and researchers accelerate medical breakthroughs and drive innovations in patient care. They are leaders in medical education, serving as Harvard Medical School faculty and training the next generation of physicians. Mass General Brigham’s mission is to deliver the best, affordable health care to patients everywhere. Together, we transform the health of our communities and beyond.

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Peritoneal Dialysis: At Home Treatment for Kidney Failure | Mass General Brigham
https://youtu.be/of1T6hMEN_Q

Multiple sclerosis (MS) is a disease of the central nervous system estimated to affect 2.3 million people worldwide. It is a chronic disease in which the immune system abnormally attacks the insulation and support around the nerve cells (myelin sheath) in the brain, spinal cord and optic nerves, causing inflammation and consequent damage. MS is a leading cause of non-traumatic disability in young people, usually striking between 20 and 40 years of age. There is no cure for MS, but research continues to better understand and treat the disease.

Lack of sunshine causes skin cancer, according to Andreas Moritz. In this video from 2009, he explains why being in the sun is actually good for you and your skin. Find out why your sunscreen is doing more harm than good. Also, you need vitamin D to prevent cancer, and sunscreen may interfere with your exposure to vitamin D from the sun.

Hypertensive emergencies encompass a spectrum of clinical presentations in which uncontrolled blood pressures (BPs) lead to progressive or impending end-organ dysfunction. In these conditions, the BP should be lowered aggressively over minutes to hours. Neurologic end-organ damage due to uncontrolled BP may include hypertensive encephalopathy, cerebral vascular accident/cerebral infarction, subarachnoid hemorrhage, and/or intracranial hemorrhage.[1] Cardiovascular end-organ damage may include myocardial ischemia/infarction, acute left ventricular dysfunction, acute pulmonary edema, and/or aortic dissection. Other organ systems may also be affected by uncontrolled hypertension, which may lead to acute renal failure/insufficiency, retinopathy, eclampsia, or microangiopathic hemolytic anemia.[1] With the advent of antihypertensives, the incidence of hypertensive emergencies has declined from 7% to approximately 1% of patients with hypertension.[2] In addition, the 1-year survival rate associated with this condition has increased from only 20% (prior to 1950) to a survival rate of more than 90% with appropriate medical treatment

Acute kidney failure occurs when your kidneys suddenly become unable to filter waste products from your blood. When your kidneys lose their filtering ability, dangerous levels of wastes may accumulate, and your blood's chemical makeup may get out of balance. Acute kidney failure — also called acute renal failure or acute kidney injury — develops rapidly over a few hours or a few days. Acute kidney failure is most common in people who are already hospitalized, particularly in critically ill people who need intensive care. Acute kidney failure can be fatal and requires intensive treatment. However, acute kidney failure may be reversible. If you're otherwise in good health, you may recover normal or nearly normal kidney function.

Fainting occurs when the blood supply to your brain is momentarily inadequate, causing you to lose consciousness. This loss of consciousness is usually brief. Fainting can have no medical significance, or the cause can be a serious disorder. Therefore, treat loss of consciousness as a medical emergency until the signs and symptoms are relieved and the cause is known. Discuss recurrent fainting spells with your doctor. If you feel faint Lie down or sit down. To reduce the chance of fainting again, don't get up too quickly. Place your head between your knees if you sit down. If someone else faints Position the person on his or her back. If the person is breathing, restore blood flow to the brain by raising the person's legs above heart level — about 12 inches (30 centimeters) — if possible. Loosen belts, collars or other constrictive clothing. To reduce the chance of fainting again, don't get the person up too quickly. If the person doesn't regain consciousness within one minute, call 911 or your local emergency number. Check the person's airway to be sure it's clear. Watch for vomiting. Check for signs of circulation (breathing, coughing or movement). If absent, begin CPR. Call 911 or your local emergency number. Continue CPR until help arrives or the person responds and begins to breathe.

Understand how this world-class surgery platform operates a minimally invasive robotic surgery during a medical procedure for prostate cancer.

Sclerotherapy is a medical procedure used to eliminate varicose veins and veins. Sclerotherapy involves an injection of a solution (generally a salt solution) directly into the vein. The solution irritates the lining of the blood vessel, causing it to collapse and stick together and the blood to clot.

Cytoplasmic organelles are "little organs" that are suspended in the cytoplasm of the cell. Each type of organelle has a definite structure and a specific role in the function of the cell. Examples of cytoplasmic organelles are mitochondrion, ribosomes, endoplasmic reticulum, golgi apparatus, and lysosomes.

After Sammyra’s knee injury, Marvin Smith, MD, orthopaedic surgeon at Memorial Sports Medicine Center, helped her get back on the volleyball court and playing pain free. Following a thorough examination, meniscus surgery and rehabilitation got Sammyra back to playing with her college team within two months. Learn more about how Memorial Sports Medicine Center helps athletes move forward at MHS.net/SportsMedicine.
To learn more about Dr. Smith, visit his physician profile page at: https://www.mhs.net/physicians/s/smith-marvin-k