Christopher Chew
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View article: Performance of the Cardiovascular Point of Care Ultrasound (POCUS) Exam by Internal Medicine Residents
Performance of the Cardiovascular Point of Care Ultrasound (POCUS) Exam by Internal Medicine Residents Open
Background: Few studies have examined internal medicine residents’ performance using cardiovascular point of care ultrasound (POCUS). Methods: From 2019 to 2022, first-year residents from two academic medical centers in Baltimore participa…
View article: Transient Acquired Amegakaryocytic Thrombocytopenia in the Setting of Severe Sepsis: A Case Report
Transient Acquired Amegakaryocytic Thrombocytopenia in the Setting of Severe Sepsis: A Case Report Open
Acquired amegakaryocytic thrombocytopenia (AATP) is a rare disorder in which severely low platelet levels occur due to reduced or complete absence of megakaryocytes in the bone marrow. The pathophysiology of this disease is not fully under…
View article: Unremitting Asthma as a Presentation of Pulmonary Nocardiosis: A Case Report
Unremitting Asthma as a Presentation of Pulmonary Nocardiosis: A Case Report Open
Severe, refractory asthma requires a combination of multiple maintenance inhalers and medications including high-dose inhaled corticosteroids and immunomodulators to achieve control of symptoms. The use of inhaled corticosteroids, however,…
View article: Metastatic salivary duct carcinoma presenting as cannonball lung lesions on radiology: Case Report
Metastatic salivary duct carcinoma presenting as cannonball lung lesions on radiology: Case Report Open
Background: Salivary duct carcinoma (SDC) is a rare, aggressive salivary gland tumor with a high rate of metastasis and overall poor prognosis. SDC is commonly diagnosed at stage 3 or stage 4 with progression to local, regional lymph nodes…
View article: Naproxen-Induced Evans Syndrome
Naproxen-Induced Evans Syndrome Open
Evans syndrome is an autoimmune disorder characterized by the simultaneous occurrence of autoimmune hemolytic anemia and immune thrombocytopenic purpura. It can further be classified as primary Evans syndrome when it occurs by itself, or s…
View article: Trends in Veno‐Arterial Extracorporeal Life Support With and Without an Impella or Intra‐Aortic Balloon Pump for Cardiogenic Shock
Trends in Veno‐Arterial Extracorporeal Life Support With and Without an Impella or Intra‐Aortic Balloon Pump for Cardiogenic Shock Open
Background Mechanical circulatory support devices, such as the intra‐aortic balloon pump (IABP) and Impella, are often used in patients on veno‐arterial extracorporeal life support (VA‐ECLS) with cardiogenic shock despite limited supportin…
View article: Estrogen-Eluting Ring for Contraception and Possible Issues of Severe Pulmonary Emboli
Estrogen-Eluting Ring for Contraception and Possible Issues of Severe Pulmonary Emboli Open
BACKGROUND This case report demonstrates the relationship of an estrogen-eluting vaginal ring and thrombosis. There have been multiple reports in the literature demonstrating this scenario, but it is normally found that the patient is taki…
View article: A-8 | Patient- and Procedure-Based Parameters Associated with Target Vessel Revascularization and Target Lesion Revascularization After PCI
A-8 | Patient- and Procedure-Based Parameters Associated with Target Vessel Revascularization and Target Lesion Revascularization After PCI Open
BackgroundDespite contemporary evolution of drug-eluting stents (DES), target vessel and lesion revascularization (TVR and TLR) remain relatively common after percutaneous coronary intervention (PCI). Understanding risk factors associated …
View article: A-7 | Drug Eluting Stent Length and Diameter Are Not Associated with Target Lesion Revascularization After Percutaneous Coronary Intervention
A-7 | Drug Eluting Stent Length and Diameter Are Not Associated with Target Lesion Revascularization After Percutaneous Coronary Intervention Open
BackgroundStent length and diameter are thought to contribute to adverse outcomes following percutaneous coronary intervention (PCI) and diameter <3.0 mm is currently included in the ACC dual-antiplatelet therapy risk calculator. Stent cha…
View article: Syncope: Chief complaint for spontaneous coronary artery dissection without other signs of acute coronary syndrome
Syncope: Chief complaint for spontaneous coronary artery dissection without other signs of acute coronary syndrome Open
Introduction: Spontaneous coronary artery dissection is an exceptionally rare cause of acute coronary syndrome (ACS) with a reported incidence of 1–4% of all ACS cases. It is most prevalent in young women with the left anterior descending …
View article: Persistent Anemia in the Setting of a Rare Pancreatic Pseudoaneurysm
Persistent Anemia in the Setting of a Rare Pancreatic Pseudoaneurysm Open
Introduction. Pancreatic pseudoaneurysm is a rare but potentially fatal complication that can follow pancreatitis. While early detection is critical to preventing poor long-term outcomes, clinical features vary significantly. Most often, a…
View article: COVID-19: No Guaranteed Protection from Future Infection after the Initial Diagnosis
COVID-19: No Guaranteed Protection from Future Infection after the Initial Diagnosis Open
The world of microbiology is vast in nature, and viruses continue to be a subset containing a lot of unknowns. Initial infection with certain viruses, such as varicella zoster virus and measles, allows for development of lifelong immunity;…