Appointment Cancellation¶

Overview¶

Cancellation terminates an appointment before consultation occurs. Cancelled appointments restore provider availability.

Cancellation Workflow¶

sequenceDiagram
  participant Patient
  participant AppointmentService
  participant ScheduleService
  Patient->>AppointmentService: Cancel Appointment
  AppointmentService->>AppointmentService: Update Status
  AppointmentService->>ScheduleService: Release Slot
  ScheduleService-->>AppointmentService: Slot Released

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Availability Restoration¶

flowchart LR
  BLOCKED["Blocked Slot"]
  CANCEL["Cancel Appointment"]
  AVAILABLE["Available Slot"]
  BLOCKED --> CANCEL
  CANCEL --> AVAILABLE

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Published Event¶

appointment.cancelled

Downstream Effects¶

Video session cancelled
Notifications sent
Availability restored