A patient complaining of "feeling tired" has the following cardiac rhythm. The patient has a history of an irregular heartbeat and current vital signs are BP 134/78; RR 17; SaO2 97% on room air. What should be done first for this patient? 
Definitions:
Marginal Revenue
The additional revenue that a firm receives from selling one more unit of a good or service.
Economic Profit
The discrepancy between gross revenue and comprehensive costs, inclusive of both apparent and implied expenses.
Marginal Cost
The supplementary cost associated with manufacturing one more unit of a good or service.
Decreasing Its Output
A strategy or condition where a firm reduces the quantity of goods or services it produces, often in response to lower demand or to increase prices.
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