function get_ecg1()
	{
		$q = $this->db->get('ecg1');
		return $q = result();
	}

	function get_ecg2()
	{
		$q = $this->db->get('ecg2');
		return $q = result();
	}

	function get_ecg3()
	{
		$q = $this->db->get('ecg3');
		return $q = result();
	}

	function get_ecg4()
	{
		$q = $this->db->get('ecg4');
		return $q = result();
	}