USMLE/NCLEX heart valves mnemonic: order in circuit.
TRI before you BI:
Tricuspid valve is located in left right heart and Bicuspid valve is located in right left heart. Blood flows through the tricuspid before bicuspid.
Alternative version:
First learn a Tricycle, then learn a Bicycle:
Flow through Tricuspid first, then Bicuspid.
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