نتایج جستجو برای: hypotension
تعداد نتایج: 15720 فیلتر نتایج به سال:
Rebound intracranial hypertension is a complication of epidural blood patching for treatment of intracranial hypotension characterized by increased intracranial pressure, resulting in potentially severe headache, nausea, and vomiting. Because the symptoms of rebound intracranial hypertension may bear some similarity to those of intracranial hypotension and literature reports of rebound intracra...
Orthostatic hypotension is defined as a fall of 20 mm or more in systolic blood pressure or of 10 mm or more in diastolic blood pressure within 3 minutes of standing [1]. All persons receiving antihypertensive drugs routinely should have their blood pressure measured in the sitting position and within 3 minutes of standing [2]. Blood pressure should not be taken immediately after eating as post...
Introduction & Objective: Spinal anesthesia offers many advantages for cesarean section delivery. But one of its disadvantages is higher incidence of hypotension. Comparison of preemptive intramuscular and intravenous ephedrine for reduction of spinal anesthesia induced hypotension during cesarean section was the aim of this study. Materials & Methods: This study was a randomized double blin...
Intracranial hypotension is characterized by a postural headache which is relieved in a supine position and worsened in a sitting or standing position. Although less commonly reported than postural headache, sixth nerve palsy has also been observed in intracranial hypotension. The epidural blood patch (EBP) has been performed for postdural puncture headache, but little is known about the proper...
performed under perfusion of unilateral lung in situ. During the distension, persistent elevation of the pulmonary arterial pressure was always observed. The rise correlated with degree of distension of the pulmonary vascular wall. Transient systemic hypotension was often observed at the initial stage. Following it, persistent slight hypotension was sometimes observed during the distension. The...
Spontaneous intracranial hypotension is frequently idiopathic. The authors report on a patient presenting with symptomatic intracranial hypotension caused by a transdural calcified thoracic disc herniation. Cranial magnetic resonance (MR) imaging revealed classic signs of intracranial hypotension, and a combination of spinal MR and computerized tomography myelography confirmed a mid-thoracic tr...
Post-exercise hypotension is defined as a reduced resting blood pressure, sympathetic neural activity and systemic vascular resistance in the minutes and hours following exercise. The mechanisms underlying post-exercise hypotension have not been well established; however, a balance of multiple interacting mechanisms including neural, humoral and vascular mechanisms has the potential to impact o...
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