###Human: Will diastolic dysfunction lead to heart failure? ###Assistant: Hello. I have seen your report (attachment removed to protect patient identity) and keen observation. Yes, diastolic dysfunction can cause heart failure. But, we need to find out the reason here. Sleep apnea is one additive factor and need to treat it. Also, you need to control your hypertension more. Reduction of weight along with medication will help to decrease diastolic dysfunction and mostly your symptoms. For further information consult a cardiologist online -->