Background Descriptions of cutaneous findings associated with COVID-19 have not been consistently accompanied by histopathology or confirmatory testing for SARS-CoV-2. Objective To describe and classify the cutaneous findings with supporting histopathology of confirmed COVID-19 inpatients.Methods We included consecutive inpatients with a confirmed diagnosis of COVID-19 for whom a dermatology consult was requested. A skin biopsy was performed in all cases. Skin findings were classified as being compatible with a cutaneous manifestation of COVID-19 or as representing a distinct clinical entity.Results Twenty-eight patients were studied in whom thirty-one dermatologic diagnoses were made. Twenty-two of the dermatoses were compatible with a cutaneous manifestation of COVID-19; nine entities were not associated with infection by SARS-CoV-2. The most common COVID-19-associated pattern was an exanthematous presentation. In four patients, a new pattern was observed, characterized by discrete papules with varied histopathological findings including a case of neutrophilic eccrine hidradenitis. No cases of pernio-like lesions were identified. Skin findings not associated with COVID-19 represented 29% of diagnoses and included Malassezia folliculitis, tinea, miliaria and contact dermatitis.Limitations There is no gold-standard test to distinguish between viral exanthems and drug reactions.Conclusion A histopathological study is critical before attributing skin findings to a manifestation of COVID-19.
Because several nail disorders share similar clinical features, their diagnosis and management can be challenging to clinicians. The physical examination may disclose localized abnormalities or point to an underlying systemic disease, requiring additional workup. Furthermore, cosmetic distress and nail-related symptoms (e.g., tingling, stinging, numbness, and pain) are common factors that influence the patient's search for medical assistance. Nail pain (i.e., onychalgia) can accompany both localized and systemic pathology. Onychalgia can be acute or chronic according to the time of evolution; patients may describe it as intermittent or constant, and as a throbbing, burning, sharp, or shooting sensation denoting the nature of the pain. It may be exacerbated by colder temperatures, touch, and increased activity (e.g., manipulating objects, walking). We present four main groups of conditions that might cause nail pain: nail tumors, nail deformities, inflammatory or infectious diseases, and external or traumatic agents. Our article includes an overview of the clinical features, as well as diagnosis and management pearls for each entity. Physicians (dermatologists and nondermatologists) should be aware that abnormalities of the ungual and subungual space are not exclusive of dermatological disorders but may also be present in noncutaneous contexts.
RESUMEN.Los bloqueos auriculares se caracterizan por alteraciones en la conducción secundarias a un retardo o bloqueo en el haz de Bachmann. El Dr. Antonio Bayés de Luna fue uno de los primeros en describir de manera extensa esta entidad a partir de 1979, clasificándolo en inter-e intraauriculares. El bloqueo interauricular se caracteriza en el electrocardiograma (ECG) por onda P con duración mayor a 120 mseg y que presentan morfología bimodal, especialmente en las derivaciones DI, DII, aVL y en las derivaciones inferiores. Existen varios tipos y grados de bloqueo interauricular relacionados a la magnitud del deterioro de la conducción entre las aurículas. Este bloqueo se asocia con frecuencia a taquiarritmias, en especial fibrilación auricular. El manejo incluye antiarrítmicos, anticoagulantes y, en casos especiales, terapia de resincronización auricular. El objetivo de este trabajo es enfatizar en la importancia de la evaluación de la onda P y de los bloqueos interauriculares en el período perioperatorio.
La enfermedad causada por un nuevo coronavirus, que inició en 2019, fue denominada COVID-19 y declarada pandemia el 11 de marzo de 2020 por la Organización Mundial de la Salud. Si bien es cierto que los primeros reportes enfatizaron las manifestaciones respiratorias de esta enfermedad como presentación clínica inicial, poco a poco empezaron a aparecer casos con manifestaciones iniciales distintas, involucrando otros sistemas. En los casos en los que se identificó afectación del sistema nervioso central, los hallazgos más frecuentes fueron mareo, cefalea y alteración del estado de alerta. Respecto al sistema cardiovascular, la elevación de biomarcadores cardiacos y la miocarditis son unos de los hallazgos más frecuentes. Los principales síntomas gastrointestinales descritos hasta el momento son anorexia, náuseas, vómitos, diarrea y dolor o disconfort abdominal. La tromboembolia venosa es una complicación frecuente y un problema de salud pública. Las manifestaciones cutáneas siguen siendo un campo de investigación. Se han identificado exantemas maculopapulares, livedo reticular y gangrena acral, entre otros. El personal sanitario debe estar actualizado sobre los nuevos hallazgos clínicos y las formas de presentación de esta enfermedad solo parcialmente conocida, lo que permitirá hacer diagnósticos más precisos y oportunos, y así impactar en el pronóstico de estos enfermos.
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The disease caused by a new coronavirus, which started in 2019, was named COVID-19 and declared a pandemic on March 11, 2020, by the World Health Organization. Although it is true that the first reports emphasized the respiratory manifestations of this disease as an initial clinical presentation, little by little cases with different initial manifestations began to appear, involving other systems. In cases where central nervous system involvement was identified, the most frequent findings were dizziness, headache, and alteration of alertness. Regarding the cardiovascular system, elevation of cardiac biomarkers and myocarditis are one of the most frequent findings. The main gastrointestinal symptoms described so far are: anorexia, nausea, vomiting, diarrhea, abdominal pain, and/or discomfort. Venous thromboembolism is a frequent complication and a public health problem. Skin manifestations remain a field of investigation. Maculopapular rashes, reticular livedo, acral gangrene, and among others, have been identified. Health personnel must be updated on new clinical findings and the forms of presentation of this partially known disease, which will make it possible to make more accurate and timely diagnoses, thus impacting the prognosis of these patients.
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