Heart Rate line animation

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</head>
<body>
<svg xmlns="http://www.w3.org/2000/svg" id="svg5" version="1.1" viewBox="0 0 502.98 108.61">
  <path id="heart" d="M213.35 29.43c19.41-15.19 33.68 10.86 37.73 18.82-.28-13.61 11.64-40.98 25.94-34.01 32.3 15.74-15.88 83.8-26.4 81.76-13.24-9-51.35-53.3-37.27-66.57Z" style="fill:#ff9999;stroke:#ff9999;stroke-width:1.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"/>
  <path  pathLength="1" id="line" d="M5.32 78.13c.96-.01 5-8.5 5.54-8.54.58-.05 6.1 8.51 7.1 8.51 3.66 0 9.29.06 10.71.05 2.53-.01 4.82-72.88 4.82-72.88l4.76 97.28 3.97-24.45 20.45-.22C64 77.86 77.1 63.66 78.36 63.8c1.31.15 6.68 14.08 7.94 14.07 2.3-.03 33.32.04 35.76.02.96 0 5-8.5 5.53-8.53.59-.05 6.1 8.51 7.1 8.5 3.66 0 9.3.07 10.72.06 2.53-.02 4.81-72.89 4.81-72.89l4.77 97.28 3.97-24.44s83.34-3.33 74.69 7.67c-8.65 11-45.3-42.94-31.65-53.58 25.6-19.96 49.96 36.94 40.26 36.5-12.2-.53 1.8-62.32 23.41-51.7 32.24 15.86-17.56 84.92-26.4 81.77-5.73-2.05-.68-21.68 31.4-26.58 26.65-6.42 29.5 2.35 52.62 7.11 2.53-.02 4.82-72.89 4.82-72.89l4.76 97.28 3.97-24.44 20.45-.22c1.31-.02 14.41-14.22 15.68-14.07 1.32.15 6.7 14.08 7.95 14.07 2.29-.03 33.32.04 35.76.02.95 0 5-8.5 5.53-8.54.58-.04 6.1 8.52 7.1 8.52 3.66 0 9.3.06 10.72.05 2.53-.02 4.81-72.89 4.81-72.89l4.77 97.28 3.97-24.44 20.45-.23c1.31-.01 14.4-14.22 15.68-14.07 1.32.16 6.69 14.09 7.94 14.07" />
</svg>
  
</body>
</html>

CSS

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
svg {
  overflow: visible;
}
svg path#line {
  fill: none;
  stroke: #e00000;
  stroke-width: 2;
  stroke-linecap: butt;
  stroke-linejoin: round;
  stroke-miterlimit: 4;
  stroke-dasharray:none;
  stroke-opacity: 1;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: dash 4s linear infinite;
}
svg path#heart {
  transform-origin: 50% 50%;
  animation: blink 4s linear infinite;
}

@keyframes dash {
  0% {
    stroke-dashoffset: 1;
  }
  80% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes blink {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  60% {
    opacity: 0;
    transform: scale(0);
  }
  70% {
    opacity: 1;
    transform: scale(1.2);
  }
  75% {
    opacity: 1;
    transform: scale(1.0);
  }
  80% {
    opacity: 1;
    transform: scale(1.2);
  }
  85% {
    opacity: 1;
    transform: scale(1.0);
  }
  100% {
    opacity: 0;
    transform: scale(1.0);
  }
}

Heart Rate line animation

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