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Old 08-26-2016
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Default Any explanations for mentioned cardio physio qus?

Can anyone give explanations/mechanisms/pathophysiology for the following-

1. How narcotic overdose results in negative inotropy?
2. How sympathetic activity increases venous return?
3. How spinal anesthesia decreases venous return?

From- FA 2016,P.269 (cardiac physiology)

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