diff --git a/app/services/scheduler.py b/app/services/scheduler.py
index 79e438c..f491b28 100644
--- a/app/services/scheduler.py
+++ b/app/services/scheduler.py
@@ -33,7 +33,7 @@ WHERE CAST(r.FECHA_RECEPCION AS DATE) = CURRENT_DATE
   AND r.NUM_FACTURA > 0
 """
 
-_SQL_EXAMENES_HOY = """
+_SQL_EXAMENES_VENTANA = """
 SELECT
     TRIM(p.DOCIDENT)                                                         AS DOCIDENT,
     r.IDRECEPCION,
@@ -59,7 +59,7 @@ LEFT JOIN EMPRESA_SUB es ON TRIM(es.NIT_EMP) = TRIM(r.NIT_EMPRESA)
                         AND TRIM(es.SUBGRUPO) = TRIM(r.SUBGRUPO)
 LEFT JOIN TARIFA t     ON TRIM(t.COD_EXAMEN) = TRIM(rel.COD_EXAMEN)
                       AND t.TARIFA           = COALESCE(es.TARIFA, e.TARIFA)
-WHERE CAST(r.FECHA_RECEPCION AS DATE) = CURRENT_DATE
+WHERE r.HORAINICIORECEPCION >= CAST('NOW' AS TIMESTAMP) - ? MINUTE
   AND r.NUM_FACTURA > 0
 ORDER BY r.IDRECEPCION
 """
@@ -127,7 +127,7 @@ async def sync_recientes(ventana_min: int = 2) -> dict:
         return {"ok": False, "error": f"Firebird: {msg}"}
 
     ok_pac, err_pac, rows_pac = fb.execute_query(_SQL_HOY, None)
-    ok_ex,  _,       rows_ex  = fb.execute_query(_SQL_EXAMENES_HOY, None)
+    ok_ex,  _,       rows_ex  = fb.execute_query(_SQL_EXAMENES_VENTANA, (ventana_min,))
     fb.disconnect()
 
     if not ok_pac:
@@ -148,9 +148,6 @@ async def sync_recientes(ventana_min: int = 2) -> dict:
     examenes_map: dict[str, list] = {}
     if ok_ex and rows_ex:
         for ex in rows_ex:
-            h = _parse_hora(ex.get("HORAINICIORECEPCION"))
-            if h is not None and h < limite:
-                continue
             doc = str(ex.get("DOCIDENT") or "").strip()
             if not doc:
                 continue
diff --git a/main.py b/main.py
index 978229d..b56e687 100644
--- a/main.py
+++ b/main.py
@@ -64,7 +64,7 @@ async def startup():
     query_defaults()
     contratos_defaults()
     _scheduler.add_job(sync_recientes, "interval", minutes=1, id="wa_sync_recientes",
-                       max_instances=1, coalesce=True)
+                       kwargs={"ventana_min": 10}, max_instances=1, coalesce=True)
     _scheduler.start()