in guideline Left Ventricular Dysfunction Impaired Left Ventricular Function Sufficient http://purl.obolibrary.org/obo/HP_0005162 Left Ventricular Failure Left-Sided Heart Failure HP:0005162 Inability of the left ventricle to perform its normal physiologic function. Failure is either due to an inability to contract the left ventricle or the inability to relax completely and fill with blood during diastole. Left Ventricular Impairment SCDO:0002710 Abnormal Cardiovascular System Physiology Recommendations for the Management of Sickle Cell Disease in South Africa Sickle Cell Disease: The Clinical Care Guidelines of the Sickle Cell Unit Consensus Statement on the Care of Patients with Sickle Cell Disease in Canada Evidence-Based Management of Sickle Cell Disease