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DPT_NEURO_6
MYASTHENIA GRAVIS
| Question | Answer |
|---|---|
| MG is the disturbance in | Neuromuscular junction transfussion |
| Characteristics of paralysis in MG | Descending |
| 3 possible causes of MG | Excessive cholinesterase Insufficient acetylcholine Autoimmune dse |
| 5 Ds in MG | Diplopia Dysarthria Dysphagia Dyspnea Descending paralysis |
| Which neuro dso where it has mask like face | MG |
| Best initial test for MG | Anti acetylcholine receptor (ACHR) antibodies immunoassay |
| Bedside diagnostic test of MG where if it improves drooped eyelids, it means pt has MG | Ice pack test |
| Mechanism of ice pack test in MG | Increases acetylcholine improves drooped eyelids after cold application - (+) response = (+) MG |
| MG is associated in which tumor | Thymoma |
| Priority intervention in MG | Airway |
| DOC for MG | Anticholinesterase Pyridostigmine |
| 2 crisis of MG | Myasthenic & Cholinergic |
| Crisis of MG where it is due to undermedication | Myasthenic |
| Crisis of MG where it is due to overmedication | Cholinergic |
| Test to identify crisis | Tensilon test |
| What drug is used in tensilon test | Edrophonium |
| Crisis of MG where s/sx improves during tensilon test | Myasthenic |
| Crisis of MG where s/sx worsens during tensilon test | Cholinergic |
| Mgt in Cholinergic crisis | Anti-cholinergic Atropine sulfate |
| Mgt. In Myasthenic crisis | Anti-cholinesterase "-Stigmine" |
| S/sx of Cholinergic crisis | Parasympathetic signs |
| S/sx of Myasthenic crisis | Sympathetic signs |