Figure 3From: Clinical and temporal patterns of severe pneumonia causing critical illness during Hajj Co–morbidities associated with Hajj ICU pneumonia patients. Abbreviations: CHF (congestive heart failure); CVA (cerebrovascular accident); CAD (coronary artery disease); CRF (chronic renal failure); COPD (chronic obstructive pulmonary disease); DM (diabetes mellitus); HTN (hypertension).Back to article page