What does CENTRAL INTELLIGENCE AGENCY (CIA) mean? Central Intelligence Agency (CIA) The Central Intelligence Agency is one of the principal intelligence-gathering agencies of the United States federal government. An executive agency, it reports to the Director of National Intelligence.
If heart failure progresses, the apnea may be so acute that a person, unable to breathe, may awaken from sleep in panic. Diagnosis. Doctors can often make a preliminary diagnosis of heart failure by medical history and careful physical examination. A thorough medical history may identify risks for heart failure that include:
Heart failure can arise from any condition that compromises the contractility of the heart (systolic heart failure) or that interferes with the heart's ability to relax (diastolic heart failure).