image/svg+xml Main complications of persistent High blood pressure Kidneys: - Hypertensive nephropathy: chronic renal failure Blood: - Elevated sugar levels Retina of eye: - Hypertensive retinopathy Heart: - Myocardial infarction (heart attack) - Hypertensive cardiomyopathy: heart failure Brain: - Cerebrovascular accident (strokes) - Hypertensive encephalopathy: -confusion -headache -convulsion