What is Separation Anxiety Disorder? Separation anxiety disorder (SAD) is defined as excessive worry and fear about being apart from family members or individuals to whom a child is most attached. Children with separation anxiety disorder fear being lost from their family or fear something bad happening to a family …
Read More »Sneddon Syndrome – Classification, Symptoms and Treatment
Definition Sneddon syndrome is a rare, progressive condition that affects blood vessels. It is primarily characterized by livedo reticularis (net-like patterns of discoloration on the skin) and neurological abnormalities. Symptoms may include transient ischemic attacks (mini-strokes) and strokes; headache; dizziness; high blood pressure; and heart disease. Reduced blood flow to …
Read More »Sick Sinus Syndrome (SSS) – Types, Symptoms and Treatment
Definition Sick sinus syndrome (SSS) also known as sinus node dysfunction is a term used to describe a number of different abnormalities in the heart rhythm (known as arrhythmias). Typically, the arrhythmias associated with sick sinus syndrome involve persistent bradycardia with intermittent tachyarrhythmias. Sick sinus syndrome is generally caused by …
Read More »Superior Vena Cava Syndrome (SVCS) – Causes and Treatment
Definition Superior vena cava syndrome (SVCS) develops from obstruction of venous drainage from the upper body, resulting in increased venous pressure, which leads to dilation of the collateral circulation. The superior vena cava is a large vein located in the upper chest, which collects blood from the head and arms …
Read More »Sacroiliitis – Epidemiology, Types, Treatment and Prevention
Definition Sacroiliitis is a condition in which the sacroiliac (SI) joint – the large joint located between the sacrum (the tailbone) and the ilium (the pelvis) becomes inflamed or disrupted, and causes pain. There are two sacroiliac joints, one on the right side and one on the left, and they …
Read More »Stickler Syndrome – Definition, Types, Causes and Treatment
Definition Stickler syndrome and related disorders are a group of inherited conditions characterized by ocular abnormalities, hearing loss, and skeletal or joint problems. Most individuals with this syndrome have a distinct facial appearance with a flattened midface, sometimes with the Pierre Robin sequence. The majority of cases are caused by …
Read More »Stillbirth – Causes, Diagnosis and Prevention.
What is Stillbirth? A stillbirth is the death or loss of a baby before or during delivery. Both miscarriage and stillbirth describe pregnancy loss, but they differ according to when the loss occurs. In the United States, a miscarriage is usually defined as loss of a baby before the 20th …
Read More »Social anxiety disorder (SAD) – Overview, Complications and Treatment
Definition Social anxiety disorder, formerly referred to as social phobia, is an anxiety disorder characterized by overwhelming anxiety and excessive self-consciousness in everyday social situations. People with social anxiety disorder have a persistent, intense, and chronic fear of being watched and judged by others and of being embarrassed or humiliated …
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