Paroxysmal

Paroxysmal refers to a sudden onset of symptoms or occurrences, typically associated with diseases and medical conditions. The term is derived from the Greek word "paroxysmos", which means "irritation". Paroxysmal events can be symptomatic of a variety of medical conditions, including epilepsy, cardiac arrhythmia, and paroxysmal nocturnal hemoglobinuria.

Definition

Paroxysmal events are characterized by their sudden onset and termination. They can occur at any time and can last from a few seconds to a few days. The frequency of these events can vary greatly, from several times a day to once a year or less. Paroxysmal events can be symptomatic of a variety of medical conditions, and their cause is often difficult to determine.

Types of Paroxysmal Events

There are several types of paroxysmal events, including:

• Paroxysmal Supraventricular Tachycardia (PSVT): This is a type of arrhythmia characterized by a rapid heart rate. It can cause symptoms such as palpitations, shortness of breath, and chest pain.

• Paroxysmal Atrial Fibrillation (PAF): This is a type of atrial fibrillation that comes and goes. Symptoms can include palpitations, fatigue, and shortness of breath.

• Paroxysmal Nocturnal Hemoglobinuria (PNH): This is a rare, acquired, life-threatening disease of the blood characterized by destruction of red blood cells, blood clots, and impaired bone marrow function.

• Paroxysmal Cold Hemoglobinuria (PCH): This is a rare form of hemolytic anemia characterized by the presence of high levels of antibodies in the blood that destroy red blood cells when exposed to cold temperatures.

Diagnosis and Treatment

Diagnosis of paroxysmal events often involves a thorough medical history and physical examination, as well as various diagnostic tests such as electrocardiogram (ECG), echocardiogram, and blood tests. Treatment typically involves managing the underlying condition causing the paroxysmal events. This can include medication, lifestyle changes, and in some cases, surgery.

See Also

• Arrhythmia
• Atrial Fibrillation
• Hemolytic Anemia

Paroxysmal Resources
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