function sendEmails() {
  var sheet = SpreadsheetApp.getActiveSheet();
  var startRow = 2;  // First row of data to process
  var numRows = 117;   // Number of rows to process
  // Fetch the range of cells A2:B118
  var dataRange = sheet.getRange(startRow, 1, numRows, 2)
  // Fetch values for each row in the Range.
  var data = dataRange.getValues();
  for (i in data) {
    var row = data[i];
    var emailAddress = row[0];  // First column
    var message = row[1];       // Second column
    var subject = "ICU List Update";
    if (emailAddress.length > 0){
      MailApp.sendEmail(emailAddress, subject, message);
    }
  }
}