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| ==Life Threatening Causes==
| | #REDIRECT[[Syncope]] |
| #Cardiovascular syncope | |
| #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==
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| UpToDate
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| [[Category:Cards]] | |
