diff --git a/src/entity/emr/emr_boarding_room_doctor_histories.ts b/src/entity/emr/emr_boarding_room_doctor_histories.ts
index d0b102f..479637e 100644
--- a/src/entity/emr/emr_boarding_room_doctor_histories.ts
+++ b/src/entity/emr/emr_boarding_room_doctor_histories.ts
@@ -1,12 +1,18 @@
-import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, DeleteDateColumn, ManyToOne, JoinColumn } from "typeorm";
+import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, DeleteDateColumn, ManyToOne, JoinColumn, Index } from "typeorm";
 import { User } from "../users";
 import { EmrBoardingRoom } from "./emr_boarding_rooms";
+import { EmrPatient } from "./emr_patient";
 
 @Entity("emr_boarding_room_doctor_histories", { schema: "emr" })
+@Index("idx_emr_boarding_room_doctor_histories_patient_active", ["patient", "is_active"])
 export class EmrBoardingRoomDoctorHistory {
 	@PrimaryGeneratedColumn("uuid")
 	id: string;
 
+	@ManyToOne(() => EmrPatient, { onDelete: "NO ACTION" })
+	@JoinColumn()
+	patient: EmrPatient;
+
 	@ManyToOne(() => EmrBoardingRoom, { onDelete: "NO ACTION" })
 	@JoinColumn()
 	boarding_room: EmrBoardingRoom;
@@ -16,13 +22,25 @@ export class EmrBoardingRoomDoctorHistory {
 	doctor: User;
 
 	@Column({
-		nullable: false,
+		nullable: true,
 	})
 	note: string;
 
-	@Column({ nullable: false })
+	@Column({ nullable: true })
 	change_at: Date;
 
+	@Column({ nullable: true, type: "text" })
+	diagnosis: string;
+
+	@Column({ nullable: true })
+	start_at: Date;
+
+	@Column({ nullable: true })
+	end_at: Date;
+
+	@Column({ nullable: true, default: false })
+	is_active: boolean;
+
 	@Column()
 	@CreateDateColumn()
 	created_at: Date;
diff --git a/src/types/typeorm.d.ts b/src/types/typeorm.d.ts
new file mode 100644
index 0000000..e1efb66
--- /dev/null
+++ b/src/types/typeorm.d.ts
@@ -0,0 +1,2 @@
+declare module "typeorm";
+