[Cardiac failure with normal systolic function]

Cardiac failure with normal systolic function representes 30 to 50% of all the cardiac failures. There is no clinical radiographicaln electro cardio graphical symptorn to characteize this Kind of Cardiac failure. It's diagnosis and its valuation could be done with doppler echocardiography. The etiology is dominated by the ischemic cardopathy, the hypertrophic myocardis fathies and senile heart. It's traiternent isn't codified yet

[Sino atrial block induced by therapeutic doses of diltiazem: about 3 observations]

We report three observations of Diltiazem intoxication at therapeutic doses with occurence of sino auricular block. The situation evolute favorably for two patients while the thind die. The electro systolic stimulate seems to be justified in case of Diltiazem intoxication