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Syncope (Vasovagal (Tank Method (When the tank is low, blood doesn't…

- - - - Why does this happen? Hypotension
        
        pump breaks (cardio shock)
        
        water level falls due to hole (hemorrhage)
        
        tank gets too big (distributive shock)
        
        Equation! :tada:
        MAP = CO x SVR
        
        CO = HR x SV
        
        SV = contractility x Preload
        
        Pump problems :<3:: HR & contractility bad
        
        Fluid problems :ocean:: Preload
        
        Tank : SVR
  - - - Visceral organ stimulation : Coughing fits
        
        or while pooping :poop: or micturition
        
        Carotid Bodies
        
        trauma from a punch to the neck
        
        people who pass out when they turn their head to the side when wearing tight ties :necktie:
        
        Psychogenic
        
        sight of blood or emotional disturbance in a healthy individual
        
        Dx: ~~Tilt table~~ can be done, but unnecessary. Clinical Dx
        
        situational
        
        reproducible (every time I do XYZ, pass out)
        
        prodrome: Know its coming
        
        Tx: BBlockers :trumpet:
        
        decreased HR.
        
        Blocks initial upsurge so no vagal discharge
- - - - Tx: Fluids :ocean:
        
        Resolves
        
        :check: Intravascular Volume depletion :checkered_flag:
        
        :green_cross: Consider rare things
        
        Volume Down: (4 D's) Diarrhea, Dehydration, Diuresis, Hemorrhage
        
        Dysfunctional autonomic NS. Old person :older_man: Tx: compression stockings
        
        Cardiac :<3:
        
        3a. Mechanical cardiac :<3:
        
        problem w/ valve.
        
        doing exercise is now prevented from meeting metabolic demand
        
        Pt: Excertional syncope
        
        young athlete :runner: (HOCM)
        
        Old man :older_man: (AS)
        
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        3b. Arrhythmia
        
        Path: Arrhythmia (fast or slow)
        
        1 more item...
        
        Neurogenic
        
        problem w/ posterior circulation
        
        Pt: sudden, no prodrome
        
        so low incidence, don't look for it, (think arrhythmia)
        
        Focal neurologic deficit would be specific for neurogenic
        
        1 more item...