Card 18 / 31: What is the mechanism of action of cardiac glycosides?
A)
inhibit Na/K ATPase
B)
inhibit cytochrome oxidase
C)
inhibit acetylcholinesterase
D)
inhibit protein synthesis
E)
block Ach receptors
Answer:
A) inhibit Na/K ATPase
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Clinical signs are arrythmias , first and second degree heart block --> sudden death
GI signs : abdominal pain , diarrhea
TREATMENT: charcoal or K + IV ( if can be monitored)
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