Arteriovenous Fistula in Korea

Overview An arteriovenous fistula (AVF) is an abnormal connection between an artery and a vein. Normally, blood flows from arteries to capillaries and then to veins. In an AVF, blood bypasses the capillaries and flows directly from an artery into a vein, which can lead to complications such as poor oxygen delivery to tissues, vein […]
Arteriosclerosis in Korea

Overview Arteriosclerosis refers to the thickening, hardening, and loss of elasticity of the walls of the arteries. It is a progressive condition that can lead to restricted blood flow to organs and tissues, increasing the risk of serious cardiovascular problems such as heart attacks, strokes, and peripheral artery disease. Arteriosclerosis often develops silently over time, […]
Arsenic poisoning in Korea

Overview Arsenic poisoning occurs due to the accumulation of arsenic, a toxic element that can cause severe health issues when ingested, inhaled, or absorbed through the skin. It can lead to both acute and chronic poisoning, with symptoms ranging from nausea and vomiting to life-threatening organ failure and cancer. What is Arsenic Poisoning? Arsenic poisoning […]
Arrhythmia in Korea

Overview Arrhythmia refers to any irregularity or abnormality in the heart’s rhythm. It can cause the heart to beat too fast, too slow, or erratically, affecting the heart’s ability to pump blood efficiently. Some arrhythmias are harmless, while others can be life-threatening and require medical attention. What is Arrhythmia? Arrhythmia occurs when the electrical signals […]
Argyria in Korea

Overview Argyria is a rare condition characterized by a permanent bluish-gray discoloration of the skin, mucous membranes, and sometimes internal organs due to the accumulation of silver particles in body tissues. Although primarily a cosmetic issue, argyria can significantly affect a person’s appearance and quality of life. What is Argyria? Argyria develops when silver particles […]
Arachnoiditis in Korea

Overview Arachnoiditis is a painful and potentially debilitating condition involving inflammation of the arachnoid, one of the membranes surrounding the brain and spinal cord. It often leads to chronic pain and neurological issues due to nerve root adhesions and scarring. Because it affects the central nervous system, arachnoiditis can significantly reduce quality of life. What […]
Arachnoid Cyst in Korea

Overview An arachnoid cyst is a fluid-filled sac that forms in the arachnoid membrane — one of the three protective layers covering the brain and spinal cord. These cysts are usually congenital (present at birth) and can vary in size. Many are asymptomatic, but larger cysts may press on nearby structures, causing neurological symptoms. What […]
Apnea in Korea

Overview Apnea refers to a temporary cessation of breathing, especially during sleep. It can occur in various forms, such as obstructive sleep apnea (OSA), central sleep apnea, and mixed apnea, and may lead to serious health complications if left untreated. Apnea affects both children and adults, and it significantly impacts sleep quality and overall health. […]
Aplastic Anemia in Korea

Overview Aplastic anemia is a rare but serious condition where the bone marrow fails to produce enough blood cells — including red blood cells, white blood cells, and platelets. This can lead to fatigue, infections, and excessive bleeding. Aplastic anemia can develop suddenly or slowly and can be life-threatening if not properly treated. What is […]
Appendicitis in Korea

Overview Appendicitis is an inflammation of the appendix, a small pouch attached to the large intestine. It is a medical emergency that typically requires prompt surgical removal of the appendix (appendectomy). If untreated, the appendix can rupture and cause life-threatening complications. Appendicitis is most common among people aged 10 to 30, but it can occur […]