Some of these additional tests may include a WBC differential, a blood smear review, or in severe conditions, a bone marrow examination. A differential may indicate which type of WBC is low or high while a blood smear and/or bone marrow biopsy can reveal the presence of abnormal and/or immature WBCs. ^ Back to top.
The most common types are dermatomyositis, polymyositis, necrotising autoimmune myopathy and sporadic inclusion body myositis (IBM). Although dermatomyositis affects the skin and muscles, it may also affect other parts of the body such as joints, oesophagus, lungs and heart.
Respiratory failure can occur during an acute exacerbation of COPD or in a patient who has end-stage lung disease. Other COPD Complications. Other complications of COPD include pneumonia, polycythemia, and pneumothorax. Pneumonia caused by bacterial infection can lead to respiratory failure in these patients. Streptococcus pneumoniae is the most common cause of bacterial pneumonia in patients with COPD.