وفّر 50٪ من خلال الاشتراك السنوي في مجرة واحصل على تصفح لا محدود لأفضل محتوى عربي على الإنترنت.
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ويدعى أيضاً انخفاض ضغط الدم الانتصابي، وهو حالة سريرية تظهر عند انخفاض ضغط الدم الانقباضي بأقل من 20 مليمتراً زئبقياً أو انخفاض ضغط الدم الانبساطي بأقل من 10 مليمترات زئبقي في غضون 3 دقائق من الوقوف على القدمين.
عادةً ما يزول هبوط ضغط الدم الانتصابي بسرعة بشكل عفوي، وتستمر معظم نوبات الدوخة من هبوط ضغط الدم الانتصابي لمدة ثوانٍ قليلة فقط.
تشمل أعراض هبوط ضغط الدم الانتصابي ما يلي:
يعد هبوط ضغط الدم الانتصابي حالة ينخفض فيها ضغط الدم فجأة عند الوقوف من وضعية الجلوس أو الاستلقاء، بينما يعني انخفاض ضغط الدم حالة مزمنة لانخفاض ضغط دم الجسم بشكلٍ عام بسبب حالة مرضية.
تعد مدرات البول وحاصرات مستقبلات ألفا الأدرينالية المستخدمة لعلاج تضخم البروستات والأدوية الخافضة للضغط وحاصرات قنوات الكالسيوم من أشهر الامثلة عن الأدوية المسببة لهبوط ضغط الدم الانتصابي، ويمكن أن يسبب الإنسولين ومضادات الاكتئاب ثلاثية الحلقات أيضاً توسع الأوعية وهبوط ضغط الدم الانتصابي لدى المرضى.
يمكن علاج هبوط ضغط الدم الانتصابي بما يلي:
يمكن أن تسبب العديد من الحالات هبوط ضغط الدم الانتصابي، ومن أهم تلك الحالات:
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