anesthesia machine
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| capnography | show 🗑
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| capnography | show 🗑
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| show | capnography and pulse oximetry together could have helped in the prevention of 93% of avoidable anesthisia mishaps according to closed ASA claim studies
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| capnography | show 🗑
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| show | ETCO2 is the best method to confirm correct placement of the ETT
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| capnography | show 🗑
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| show | the cold standard for ETT placement is ETCO2
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| capnography | show 🗑
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| show | high intermediate and low pressure systems
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| the high pressure system | show 🗑
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| intermediate pressure system | show 🗑
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| show | pipeline inlets and pressure guages, ventilator power inlet, o2 pressure failure device (fail safe) and alarm, flowmeter valves, o2 second stage regulator, o2 flush valve
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| show | a failsafe valve is controlled by o2 pressure it shuts off or proportionally decreases and or interrupts the supply of nitrous oxide or air if the o2 supply pressure decreases below 12-30psi sensor is placed inline between the n2o supply and flowmeter
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| omeda vs drager fail safe systems | show 🗑
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| drager | show 🗑
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| show | safety mechanism which allows only one vapor at a time to be open
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| TEC 6 vaporizer | show 🗑
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| show | desfluranes vapor pressure in 680 torr at room temperature which is close to atmospheric pressure. there ar electronic alarms for low agent no agent output and low battery
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| show | to deliver anesthetic gases and o2, offer a means to deliver anesthesia without significant increase in airway resistance, to offer a convenient and sage method of delivering inhaled anesthetic agents
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| anesthesia breathing systems | show 🗑
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| show | open, semiopen, closed, semi closed
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| open breathing systems | show 🗑
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| show | gas reservour bag present, no rebreathing, no neutralization of co2, no unidirectional valves,fresh gas flow needed exceeds minute ventilation(2-3 times minute ventilatio to prevent rebreathing) min FGF 5Lmin examples mapleson A B C D bain, jackson rees
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| show | all NRBs circuits lack unidirectional valves (insp and exp) soda lime co2 absorption, amount of rebreathing is highly dependent on FGF, work of breathing is low (no unidirectional valves or soda lime granules to create resistance
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| Anesthesia breathing systems are classified on | show 🗑
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| show | mapleson A and E 3 times the minute ventilation mapleson B,C,D,and F are 2 times the minute ventilation, mapleson E used for spontaneous resp only, bain (version of maple D 200-300cc/kg/min for spon 70cc/kg/min for controlled
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| what are the end products of co2 absorbents | show 🗑
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| show | when pressure in the breathing system fails to exceed a certain level
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| show | disconnects, major air leaks, leaking tracheal cuff, failure of ventilator to cycle
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| show | airway obstructions like larengospasm, decreased lung compliance such as bronchospasms, kinked or occluded ETT, patient coughing against ETT occlusion of expiratory limb
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| show | patient attempting to inhale against an empty reservoir bag, blocked inspiratory limb, malfunctioning of an active scavenging system, NG tube placed in the trachea
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| what is the best way to oxygenate your patient | show 🗑
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| breathing pressure wave forms should (see page 18 for graph) | show 🗑
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| which devices do not rely on wall outlet electrip power | show 🗑
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| show | mechanical ventilators, elictronic monitors, digital flowmeters, gas/vapor blender vaporizers (desflurane)
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| what are the minimum machine check requirements in an emergency | show 🗑
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| show | FDA, DOT, OSHA, NFPA
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