نظرة عامة

نزف تحت العنكبوتية هو نزيف يحدث في المنطقة الموجودة بين الدماغ والغشاء المحيط (منطقة النزف تحت العنكبوتية). وتكون أحد الأعراض الأولية له الصداع المفاجئ والشديد. يرتبط الصداع أحيانًا بالغثيان والقيء وفقدان للوعي لفترة وجيزة.

عادة ما ينتج النزيف عن تمزق الانتفاخ غير الطبيعي في الأوعية الدموية (تمدد الأوعية الدموية) في الدماغ. ينتج النزيف أحيانًا عن الصدمة، أو تشابك غير طبيعي للأوعية الدموية الموجودة في الدماغ (التشوه الشرياني الوريدي)، أو الأوعية الدموية أو المشكلات الصحية الأخرى.

في حال عدم العلاج، يمكن أن يؤدي النزف تحت العنكبوتية إلى الإصابة بتلف الدماغ الدائم أو الموت.

نزف تحت العنكبوتية - الرعاية في Mayo Clinic (مايو كلينك)

31/08/2022
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