diff --git a/modules/turnero/views/lugar.php b/modules/turnero/views/lugar.php
index 6fcedfb..8812d12 100644
--- a/modules/turnero/views/lugar.php
+++ b/modules/turnero/views/lugar.php
@@ -1261,21 +1261,24 @@ const CONSENT_LBL = {
 const _tomaAlertados = new Set();
 let   _bannerTurnoId  = null;
 
-function _playBeepLugar() {
+function _playAlarmaLugar() {
     try {
         const ctx = new (window.AudioContext || window.webkitAudioContext)();
-        [880, 1100, 880, 1100].forEach(function(freq, i) {
+        // 3 pulsos: grave-agudo, gain máximo, 0.3s cada tono
+        [440, 880, 440, 880, 440, 880].forEach(function(freq, i) {
             const osc = ctx.createOscillator(), gain = ctx.createGain();
             osc.connect(gain); gain.connect(ctx.destination);
             osc.frequency.value = freq;
-            const t0 = ctx.currentTime + i * 0.22;
-            gain.gain.setValueAtTime(0.7, t0);
-            gain.gain.exponentialRampToValueAtTime(0.001, t0 + 0.18);
-            osc.start(t0); osc.stop(t0 + 0.18);
+            const t0 = ctx.currentTime + i * 0.32;
+            gain.gain.setValueAtTime(1.0, t0);
+            gain.gain.exponentialRampToValueAtTime(0.001, t0 + 0.28);
+            osc.start(t0); osc.stop(t0 + 0.28);
         });
     } catch(e) {}
 }
 
+let _alarmaInterval = null;
+
 function verPacienteToma() {
     cerrarBannerToma();
     if (_bannerTurnoId) seleccionarSinLlamar(_bannerTurnoId);
@@ -1283,6 +1286,8 @@ function verPacienteToma() {
 function cerrarBannerToma() {
     const b = document.getElementById('banner-toma-alerta');
     if (b) b.classList.remove('show');
+    clearInterval(_alarmaInterval);
+    _alarmaInterval = null;
 }
 
 setInterval(function() {
@@ -1309,8 +1314,19 @@ setInterval(function() {
                     bannerTxt.textContent = '¡Hora de la siguiente muestra! — ' + pacNombre;
                     banner.classList.add('show');
                 }
-                _playBeepLugar();
-                if (navigator.vibrate) navigator.vibrate([400, 150, 400]);
+                _playAlarmaLugar();
+                if (navigator.vibrate) navigator.vibrate([400, 150, 400, 150, 400]);
+                clearInterval(_alarmaInterval);
+                _alarmaInterval = setInterval(function() {
+                    const b = document.getElementById('banner-toma-alerta');
+                    if (b && b.classList.contains('show')) {
+                        _playAlarmaLugar();
+                        if (navigator.vibrate) navigator.vibrate([400, 150, 400, 150, 400]);
+                    } else {
+                        clearInterval(_alarmaInterval);
+                        _alarmaInterval = null;
+                    }
+                }, 30000);
             }
         } else {
             // Si el tiempo se actualizó (nueva toma programada), resetear la alerta
@@ -1339,7 +1355,7 @@ setInterval(() => {
             row.classList.add('alerta');
             if (!info.alertado) {
                 info.alertado = true;
-                _playBeepLugar();
+                _playAlarmaLugar();
             }
         } else {
             row.classList.remove('alerta');