HTML5, CSS3 and JavaScript demo

var addObjectResponse = [{
  'SPO2': '222.00000',
  'VitalGroupID': 1152,
  'Temperature': 36.6666666666667,
  'DateTimeTaken': '/Date(1301494335000-0400)/',
  'UserID': 1,
  'Height': 182.88,
  'UserName': 'Admin',
  'BloodPressureDiastolic': 80,
  'Weight': 100909.090909091,
  'TemperatureMethod': 'Oral',
  'Resprate': 111,
  'HeartRate': 111,
  'BloodPressurePosition': 'Standing',
  'VitalSite': 'Popliteal',
  'VitalID': 1135,
  'Laterality': 'Right',
  'HeartRateRegularity': 'Regular',
  'HeadCircumference': '',
  'BloodPressureSystolic': 120,
  'CuffSize': 'XL',
}];

var renamedObj = renameProperties(addObjectResponse, {SPO2: 'O2'});
console.log(renamedObj);

// ==========
function renameProperties(sourceObj, replaceList, destObj) {
  destObj = destObj || {};
  each(sourceObj, function(key) {
    if(sourceObj.hasOwnProperty(key)) {
      if(sourceObj[key] instanceof Array) {
        if(replaceList[key]) {
          var newName = replaceList[key];
          destObj[newName] = [];
          renameProperties(sourceObj[key], replaceList, destObj[newName]);
        } else if(!replaceList[key]) {
          destObj[key] = [];
          renameProperties(sourceObj[key], replaceList, destObj[key]);
        }
      } else if(typeof sourceObj[key] === 'object') {
        if(replaceList[key]) {
          var newName = replaceList[key];
          destObj[newName] = {};
          renameProperties(sourceObj[key], replaceList, destObj[newName]);
        } else if(!replaceList[key]) {
          destObj[key] = {};
          renameProperties(sourceObj[key], replaceList, destObj[key]);
        }             
      } else {
        if(replaceList[key]) {
          var newName = replaceList[key];
          destObj[newName] = sourceObj[key];
        } else if(!replaceList[key]) {
          destObj[key] = sourceObj[key];
        }
      }
    }
  });
  
  return destObj;
}

// =========
// each:
function each(objOrArr, callBack) {
  if(objOrArr instanceof Array) {
    for(var i = 0; i < objOrArr.length; i++) {
      callBack(i);
    }
  } else if(typeof objOrArr === 'object') {
    for(var prop in objOrArr) {
      // if the property really exist
      if(objOrArr.hasOwnProperty(prop)) {
        callBack(prop);
      }
    }
  }
}