The singer is currently undergoing cardiac testing.
Katie Waissel, who appeared on the singing competition
X Factor in 2010, has given fans an update on her health, after revealing that she suffered a suspected heart attack earlier this year.
Taking to
Instagram, the singer shared a photo of herself wearing a Holter Monitor at home.
She wrote: "Currently wearing the Holter Monitor as part of my own ongoing cardiac testing. I will be wearing this device for 48 hours as it records my heart activity.
"Other testing follows this week, but emotionally I am taking them just one test at a time."
She continued: "Please do know that albeit this is a personal medical issue, I have listened and onboarded so compassionately to your questions and concerns relating to potential causes etc.
"I want you to know that I absolutely intend to share my findings with you and hope to either give you clarity or peace of mind to those that are seeking it.
https://www.instagram.com/p/CWl2O9NM7lY/
"Until then, we must try to onboard an objective mindset and focus on staying healthy, safe and warm."
The singer added: "I appreciate you all so greatly, and thank you for kindly embracing this discovery process with me."
The update comes just a few weeks after Katie shared that she had suffered a "suspected heart attack".
In her previous Instagram post, she outlined what had happened.
She wrote: "Let me tell you, I was taken by ambulance yesterday for a suspected heart attack and @nhs @ldn_ambulance Watford general AND the ambulance services were/are amazing.
"I was initially told there was a wait by the ambulance call centre, but an ambulance was at my door within minutes. The entire team at Watford were/are beyond impeccable, and I am so grateful for your continued help!!"
She then encouraged all her followers not to hesitate in calling the emergency services if they are in a life-threatening situation.
