Orthostatic Hypotension
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Definition[edit | edit source]
Orthostatic hypotension is defined as a sudden drop in blood pressure upon standing from a sitting or supine position. Diagnosis is made if the blood pressure drops by or greater 20mmHg systolically and 10mmHg diastolically. This occurs within three minutes of standing after being supine for 5 minutes or at 60% angle on a tilt table. This sudden drop in blood pressure is due to failure of autonomic reflex, volume depletion, or adverse reaction to medication. Symptoms on presentation are commonly related to reduced blood flow to the brain but many patients can be asymptomatic. Frequent falls occur due to this disease process resulting in a high rate of morbitity and mortality and multiple hospital admissions.[1]
Etiology[edit | edit source]
Orthostatic hypotension etiology can be caused by
- Neurogenic. See video clip below for good animation on this condition
- Non neurogenic
- Medication related
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Clinical Presentation[edit | edit source]
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Diagnostic Procedures[edit | edit source]
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Outcome Measures[edit | edit source]
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Management / Interventions[edit | edit source]
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Differential Diagnosis[edit | edit source]
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Resources[edit | edit source]
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References[edit | edit source]
- ↑ Ringer M, Lappin SL. Orthostatic Hypotension. InStatPearls [Internet] 2017 Oct 4. StatPearls Publishing. Available from: https://www.ncbi.nlm.nih.gov/books/NBK448192/ (last accessed 1.4.2019)
- ↑ World medical school. Orthostatic hypotension. Available from: https://www.youtube.com/watch?v=SLbkF_k6rj4 (last accessed 1.4.2019)
- ↑ TreatneurogenicOHnow. Neurogenic orthostatic hypotension. Available from: https://www.youtube.com/watch?v=6LcX7fGaUe0&t=215s (last accessed 1.4.2019)
