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Case Presentation: A 19-year-old woman presented to pulmonary clinic with recurrent episodes of fevers and productive cough over the last 2 years. She was diagnosed with several episodes of respiratory infection that required antibiotic therapy. Her symptoms improved transiently after antibiotic therapy. However, symptoms continued to recur every 1 to 2 months. She denied any close TB contacts or travel outside the United States. She was a nonsmoker and had no history of immunodeficiency. There was no history of cystic fibrosis or any foreign body aspiration., (Copyright © 2021 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.)

Case Presentation: A 67-year-old woman, who recently immigrated to the United States from Afghanistan, presented to the hospital after sustaining a mechanical fall. She had no significant medical history and was not on any medication routinely. She denied any fever, night sweats, weight loss, shortness of breath, or hemoptysis. The patient had no prior personal history or exposure to TB. Results of a previous purified protein derivative skin test upon immigration were negative., (Copyright © 2021 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.)

Background: Skeletal muscle dysfunction occurring as a result of ICU admission associates with higher mortality. Although preadmission higher BMI correlates with better outcomes, the impact of baseline muscle and fat mass has not been defined. We therefore investigated the association of skeletal muscle and fat mass at ICU admission with survival and disability at hospital discharge., Methods: This single-center, prospective, observational cohort study included medical ICU (MICU) patients from an academic institution in the Unites States. A total of 401 patients were evaluated with pectoralis muscle area (PMA) and subcutaneous adipose tissue (SAT) determinations conducted by CT scanning at the time of ICU admission, which were later correlated with clinical outcomes accounting for potential confounders., Results: Larger admission PMA was associated with better outcomes, including higher 6-month survival (OR, 1.03; 95% CI, 1.01-1.04; P < .001), lower hospital mortality (OR, 0.96; 95% CI, 0.93-0.98; P < .001), and more ICU-free days (slope, 0.044 ± 0.019; P = .021). SAT was not significantly associated with any of the measured outcomes. In multivariable analyses, PMA association persisted with 6 months and hospital survival and ICU-free days, whereas SAT remained unassociated with survival or other outcomes. PMA was not associated with regaining of independence at the time of hospital discharge (OR, 0.99; 95% CI, 0.98-1.01; P = .56)., Conclusions: In this study cohort, ICU admission PMA was associated with survival during and following critical illness; it was unable to predict regaining an independent lifestyle following discharge. ICU admission SAT mass was not associated with survival or other measured outcomes., (Published by Elsevier Inc.)

A 23-year-old white man was admitted to the hospital for evaluation of recurrent hemoptysis. He denied any other associated symptoms, including dyspnea, chest pain, productive cough, wheezing, fever, or weight loss. He had no significant past medical history and was not taking any medication. He had no significant family history for cardiopulmonary diseases.