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Introduction
HeartEase is an app specifically designed for heart failure patients who struggle with tracking their daily health data. Inspired by my mother, who has battled heart failure for over a decade, I created this application using the Swift programming language.
By integrating with Apple Watch and other features in Apple Health, the app can monitor heart rate and blood oxygen levels, and allows users to record their weight and blood pressure—all of which are crucial for heart failure management. Additionally, the app provides clear visualizations of these health metrics, along with medication management tools.
The inclusion of AI features, powered by DeepSeek, further enhances the app by assisting users in communicating more effectively with their healthcare providers.
Based on the research and the daily requirement of my mother, I decided to divide my app into 4 pages.
Research
The Definition of Heart Failure
Factors We Consider Most in Treating HF
References
Heart failure (HF) is a complex clinical syndrome caused by various etiologies that lead to structural and/or functional abnormalities of the heart. These changes result in impaired ventricular systolic and/or diastolic function. The condition is primarily characterized by symptoms such as dyspnea, fatigue, and fluid retention, including pulmonary congestion, systemic venous congestion, and peripheral edema.
This diagram shows the four stages (A to D) of Heart Failure (HF) progression, which helps doctors treat the disease effectively.[1]
My App is best suited for patients in Stage A and Stage B of Heart Failure.
Since symptoms are mild, daily monitoring via my App is absolutely essential to:
Ensure Consistency: Help you stay compliant with your medication schedule and prescribed lifestyle changes every single day.
Act as an Early Warning System: Mild changes are easy to miss! My App can catch those subtle shifts—a slight weight gain, a minor blood pressure change, or early fluid retention—which signal that the disease is progressing before you become symptomatic
Support Optimal Treatment: The daily data I collect allows your doctor to see if your current drug regimen is working perfectly. They can use this information to optimize your doses, ensuring your treatment is always at its maximum effectiveness.
At any stage of heart failure, monitoring key indicators such as heart rate, blood pressure, and body weight is crucial. In addition, tracking blood oxygen levels—since low oxygen saturation is often associated with sleep apnea—may help relieve symptoms and reduce the burden of heart failure. [1]
For heart failure, they should track their weight, blood pressure, and symptoms daily. They should eat nutritious, low-salt foods, stay hydrated, avoid alcohol and smoking, and take their medications as prescribed. They should exercise gently if allowed, get vaccines, rest well, and seek support when needed. They should know how to care for any implanted devices and involve their family and care team to stay healthy. [2]
[1]Chinese Society of Cardiology. (2024). Chinese guidelines for the diagnosis and treatment of heart failure 2024. Chinese Journal of Cardiology, 52(3), 195–221.
[2] Heidenreich, P. A., Bozkurt, B., Aguilar, D., Allen, L. A., Byun, J. J., Colvin, M. M., … Yancy, C. W. (2022). 2022 AHA/ACC/HFSA guideline for the management of heart failure: A report of the American College of Cardiology/American Heart Association joint committee on clinical practice guidelines. Journal of the American College of Cardiology, 79(17), e263–e421.
From report of the American College of Cardiology/American Heart Association joint committee on clinical practice guidelines. Journal of the American College of Cardiology, 79(17), e263–e421.
STAGE A:At-Risk for Heart Failure
STAGE B:Pre-Heart Failure
STAGE C:Symptomatic Heart Failure
STAGE D:Advanced Heart Failure
Patients without current or previous symptoms/signs of HF but evidence of
1 of the following:
Structural heart disease
Evidence of increased filling pressures
Risk factors and
increased natriuretic peptide levels or
persistently elevated cardiac troponin
in the absence of competing diagnoses
Patients with current or previous symptoms/signs of HF
Patients with hypertension.CVD, diabetes, obesity.exposure to cardiotoxic agents, genetic variant for cardiomyopathy, or family history of cardiomyopathy
Marked HF symptoms that interfere with daily life and with recurrent hospitalizations despite attempts to optimize GDMT
Patients at risk for HF but without current or previous symptoms/signs of HF and without structural/functional heart disease or abnormal biomarkers
Recommendation-Specific Supportive Text
Elevated systolic and diastolic blood pressure are major risk factors for the development of symptomatic HF. Many trials have shown that hypertension control reduces the risk of HF.1–7 Although the magnitude of benefit varies with the patient population, target blood pressure reduction, and HF criteria, effective hypertension treatment invariably reduces HF events. In the SPRINT (Systolic Blood Pressure Intervention Trial) trial, control to an SBP goal <120 mm Hg decreased incident HF by 38% and mortality by 23% compared with an SBP goal of <140 mm Hg.6,7 A meta-analysis showed that blood pressure control was associated with an approximately 40% reduction in HF events.5 Therefore, SBP and diastolic blood pressure should be controlled in accordance with published clinical practice guidelines.
Synopsis
Heart rate is a strong predictor of cardiovascular out-
comes in the general population and in patients with
CVD, including HF. The SHIFT (Ivabradine and Outcomes
in Chronic Heart Failure) trial tested the hypothesis that
reducing heart rate in patients with HF improves cardio-
vascular outcomes.1 SHIFT demonstrated the efficacy of
ivabradine, a sinoatrial node modulator that selectively
inhibits the If current, in reducing the composite endpoint
of cardiovascular death or HF hospitalization in patients
with HF. See Figure 7 for a summary of additional medi-
cal therapy recommendations.
ACC primary prevention guidelines provide recommen-
dations for diet, physical activity, and weight control, all
of which have been associated with the risk of HF.28
Blood pressure is an important risk factor for HF, and a
treatment goal of <130/80 mm Hg is recommended for
those with a CVD risk of ≥10%.29,30 Multiple RCTs have
found that patients with diabetes and CVD without HF
have improved survival and reduced HF hospitalizations
with SGLT2i.31
Nonmedical strategies
Efficacy and safety of specific dietary interventions, sodium restriction, and fluid restriction to prevent and treat HF.
Efficacy and safety of cardiac rehabilitation in patients with HFpEF and HFmrEF.
From report of the American College of Cardiology/American Heart Association joint committee on clinical practice guidelines. Journal of the American College of Cardiology, 79(17), e263–e421.
Also available on the App Store：
https://apps.apple.com/us/app/heartease-%E5%BF%83%E5%81%A5/id6749004714
HeartEase
Page 1
Data Showcase&Record
Page 3
Data Analysis
Page 4
Personal Info&Dr. Connection
Page 2
Medicine Showcase&Record
Data Visualization
Data Visualization
Data Sync
Health Kit
AI Suggestion
Read Data From Health Kit
Dose Adjustment
Write Data In Health Kit
Apple Watch
Connection
Dr. Connection
Visual Card
PDF Report Export
Apple Watch Data
App Configuration