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| ==Life Threatening Causes==
| | #REDIRECT[[Syncope]] |
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| * Cardiovascular syncope
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| * Dysrhythmia
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| * V-tach
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| * Long QT
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| * Brugada
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| * Bradycardia (heart block)
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| * Sinus pause
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| * Ischemia
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| * ACS
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| * Structural Abnormalities
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| * Valvular disease (AS, MS)
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| * Cardiomyopathy
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| * Tamponade
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| * Aortic dissection
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| * Hemorrhage
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| * Trauma with significant blood loss
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| * GI bleed
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| * Tissue rupture (ectopic, spleen, aortic aneurysm)
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| * Pulmonary Embolism
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| * Subarachnoid hemorrhage
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| ==Common Causes==
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| * Neurocardiogenic syncope (vasovagal)
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| * Micturion, defecation, cough, swallowing, situational
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| * Carotid sinus hypersensitivity
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| * Orthostatic hypotension
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| * Medication-related
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| * Vasoactive Medications
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| * Alpha/beta blockers, CCB, nitrates, antihypertensives, diuretics, ED meds
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| * Medications affecting conduction
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| * Antiarrhythmics, CCB, BB, digoxin
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| * Medications affecting QT interval
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| * Antiarrhythmics, antiemetics, antipsychotics/depressants
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| ==Source: UpToDate ==
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| [[Category:Cards]] | |
