Abstract
Although fever and respiratory symptoms are the main clinical expression of COVID-19 disease, important extrapulmonary complications that affect the majority of the organs and systems may occur. Multisystemic involvement can mainly be attributed to the generalized location of ACE2 receptors throughout the body, which act as the main point of entry for the virus. Systemic manifestations may occasionally appear before the typical symptoms, although they generally occur later or are sequelae of the disease. Thromboembolic complications are concerning due to their frequency and severity; they are the result of a hypercoagulable state with multiple possible clinical manifestations. Cardiac, neurological, gastrointestinal, renal, endocrine-metabolic, skin, and ocular complications may occur. The manifestations and specific therapeutic aspects of COVID-19 disease in pregnant women as well as implications of the disease on children are discussed. The corresponding tests must be performed in all patients with a clinical suspicion of COVID-19 in order to confirm the diagnosis of the infection. The specific diagnostic tests that are indicative of involvement of different organs are guided based on clinical suspicion. These tests are conducted on an individual basis taking into account the isolation measures required and the severity of each case. Likewise, the corresponding treatment is administered according to criteria that generally similar to those for the general population.
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