A subarachnoid hemorrhage is a type of bleeding that occurs in the space between the brain and the surrounding membrane (subarachnoid space). This bleeding can be caused by various factors, including an irregular bulge in a blood vessel (aneurysm), trauma, a tangle of blood vessels in the brain (arteriovenous malformation), or other blood vessel or health problems. The primary symptom of a subarachnoid hemorrhage is a sudden, severe headache, which can be accompanied by nausea, vomiting, stiff neck, problems with vision, and brief loss of consciousness.
Sudden cardiac arrest (SCA) is a life-threatening condition that occurs when the heart suddenly stops beating due to an irregular heart rhythm. This can happen to anyone, regardless of age or health status, and can be fatal if not treated promptly. SCA is different from a heart attack, which occurs when blood flow to the heart is blocked. In this article, we will discuss the causes, symptoms, prevention, complications, diagnosis and evaluation, treatment and management, and when to see a doctor for SCA.
Sudden infant death syndrome (SIDS) is the sudden and unexplained death of an infant, typically under one year old. It is often referred to as crib death because many of these deaths occur while the infant is sleeping in their crib. Despite extensive research, the exact cause of SIDS remains unknown, but it is believed to be related to problems in the area of the infant's brain that controls breathing and waking up from sleep.
Sun allergy is a broad term that describes several conditions that cause an itchy rash to form on the skin after being in sunlight or other sources of ultraviolet (UV) radiation. While some people may be more prone to developing sun allergy due to their genetic makeup, others may develop symptoms only when triggered by another factor.
Sunburn is a common condition that occurs when the skin is exposed to too much ultraviolet (UV) radiation from the sun or other sources. It is characterized by inflamed, painful skin that feels hot to the touch. Sunburn can occur in anyone, regardless of age, skin type, or location. In fact, it is estimated that over 50% of Americans will experience sunburn each year.
Breast tissue is a complex and dynamic system that can be influenced by various factors, including hormonal changes, genetics, and lifestyle. As a result, breast tissue can exhibit a range of textures and sensations, including lumpiness and tenderness. However, if you notice any unusual changes in your breast tissue, it is essential to seek medical attention to rule out any potential health issues.
Sweating and body odor are common experiences that many people encounter, especially during exercise or in hot weather. However, unusual changes in sweating or body odor can be a sign of an underlying health issue. In this article, we will explore the causes, symptoms, prevention, and treatment options for sweating and body odor.
Swimmer's ear, also known as otitis externa, is a common infection that affects the outer ear canal. It's often caused by bacteria that thrive in moist environments, making it a common problem for people who enjoy swimming or engage in activities that involve water. In this article, we'll delve into the causes, symptoms, prevention strategies, and treatment options for swimmer's ear.
Swimmer's itch, also known as cercarial dermatitis, is a common condition that affects many people who enjoy swimming or wading in outdoor bodies of water. It's a rash that typically occurs after exposure to certain parasites found in freshwater lakes and ponds, although it can also occur in saltwater. In this article, we'll delve into the causes, symptoms, prevention strategies, and treatment options for swimmer's itch.
A swollen knee occurs when excess fluid collects in or around the knee joint, leading to a range of symptoms and discomfort. Also known as an effusion, this condition can be caused by various factors, including trauma, overuse injuries, or underlying diseases or conditions. In this article, we'll delve into the causes, symptoms, prevention strategies, and treatment options for a swollen knee.
Swollen lymph nodes, also known as lymphadenitis, are a common condition that occurs when the lymph nodes become inflamed or swollen. The lymph nodes play a vital role in our body's immune system, filtering out viruses, bacteria, and other foreign substances that enter the body. In this article, we'll delve into the causes, symptoms, prevention strategies, and treatment options for swollen lymph nodes.
Synovial sarcoma is a rare and aggressive type of cancer that typically occurs near large joints, particularly the knees. It is a soft tissue sarcoma that affects the synovial tissue, which is the lining of the joints. Synovial sarcoma usually affects young adults, and it is more common in men than women.
Syphilis is a bacterial infection that is spread through sexual contact, typically affecting the genitals, rectum, or mouth. It is a serious disease that can cause significant damage to the body if left untreated. Syphilis is a reportable disease, meaning that healthcare providers are required to report cases to public health authorities.
Syringomyelia is a rare condition characterized by the development of a fluid-filled cyst within the spinal cord. The cyst, also known as a syrinx, can grow larger over time and cause damage to the spinal cord, leading to pain, weakness, and stiffness.
Systemic mastocytosis is a rare disorder characterized by the accumulation of excessive mast cells in various tissues and organs throughout the body. Mast cells are an important part of the immune system, playing a crucial role in protecting against disease and infection. However, when too many mast cells build up, it can lead to a range of symptoms and complications.