Pneumonia in the elderly with end-stage diseases easily confused with what?

1 Early failure of left heart failure have cough, frothy sputum , dyspnea more significant , not supine, lungs wet ? Sounds more widely , and may vary with position. 2 . Lung cancer associated with obstructive pneumonia after adequate antibiotic treatment is not ideal or lung shadows unknown nature , should be sputum examination cells, carcinoembryonic antigen , X-ray radiography layer , CT and bronchoscopy , etc., there help diagnosis. 3 Tuberculosis Tuberculosis elderly often lack the typical symptoms, signs and X -ray findings , unexplained fever , X-ray shadow obviously exist, generally ineffective against infection , should consider the possibility of tuberculosis . Careful retrospective history, old TB lesions and the presence of acid-fast bacilli sputum examination can help diagnose the X -ray film . 4 pulmonary embolism have surgery, trauma, heart disease ( in particular, those with atrial fibrillation ) and move, phlebitis history , manifested as sudden difficulty in breathing, coughing, coughing up sputum and chest pain significantly . Help to identify typical ECG changes . 5 other gastrointestinal symptoms should be accompanied with acute gastroenteritis, acute abdomen identification ; shock pneumonia should be caused by cerebrovascular accidents and their causes shock were identified.