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Takotsubo cardiomyopathy (TCM) is a form of non-ischemic cardiomyopathy that can present with signs of heart failure and volume overload; it often mimics acute coronary syndrome. It is characterized by stress-induced transient left ventricular (LV) dysfunction. Echocardiography classically demonstrates LV apical ballooning and akinesis in typical TCM, although other less common variants exist. Patients typically present with one variant. A 32-year-old woman with a past medical history of alcohol use disorder, anxiety, and hypertension presented to the hospital with chest pain, shortness of breath, nausea, vomiting, and diarrhea. She was diagnosed with cardiogenic shock in the setting of a newly identified LV ejection fraction (EF) of 24% on echocardiogram with findings consistent with typical apical TCM. Ischemic workup was unremarkable, and she was medically managed with clinical improvement and subsequent recovery of cardiac function. Four months later, the patient presented with similar symptoms at which time she was found to have a recurrence of heart failure with reduced LV EF; echocardiography showed reverse TCM. Patients with TCM who develop a recurrence typically maintain the same variant. The recurrence of TCM in a single patient with different anatomical variants is rare and poorly understood. We presented a case of a patient with alcohol use disorder who developed a recurrence of TCM with two anatomical variants. Further studies are necessary to investigate the predictors of recurrence and better understand the underlying mechanisms behind the different variants., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Almajed et al.)

Solitary fibrous tumors are very rare in the pleura, and they are generally found incidentally. Even though they can potentially become malignant and metastasize, they have minimal clinical symptoms and can still be benign. Due to the low incidence of these tumors, there is no standard of therapy beyond surgical resection. We present an asymptomatic case of a large, rapidly expanding solitary fibrous tumor of the pleura in an elderly female., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Mangal et al.)

Acute portal vein thrombosis (PVT) is a complication of liver cirrhosis. The presence of viral infections such as hepatitis B (HBV) and hepatitis C (HCV) can further increase cirrhotic patients' risk of developing PVT, especially in the rare case when there is superinfection with both HBV and HCV. We present a patient with HCV cirrhosis whose clinical condition was decompensated secondary to the development of superimposed HBV infection, who developed acute PVT during hospitalization. This case offers a unique presentation of acute PVT that developed within several days of hospitalization for decompensated liver disease, as proven by the interval absence of portal venous flow on repeat imaging. Despite the workup on the initial presentation being negative for PVT, reconsideration of differentials after the change in our patient's clinical status led to the diagnosis. Active HBV infection was likely the initial trigger for the patient's cirrhosis decompensation and presentation; the subsequent coagulopathy and alteration in the portal blood flow triggered the development of an acute PVT. The risk for both prothrombotic and antithrombotic complications remains high in patients with cirrhosis, a risk that is vastly increased by the presence of superimposedinfections. The diagnosis of thrombotic complications such as PVT can be challenging, thus stressing the importance of repeat imaging in instances where clinical suspicion remains high despite negative imaging. Anticoagulation should be considered for cirrhotic patients with PVT on an individual basis for both prevention and treatment. Prompt diagnosis, early intervention, and close monitoring of patients with PVT are crucial for improving clinical outcomes. The goal of this report is to illustrate diagnostic challenges that accompany the diagnosis of acute PVT in cirrhosis, as well as discuss therapeutic options for optimal management of this condition., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Kasmikha et al.)

Negative-pressure pulmonary edema (NPPE) is a rare cause of noncardiogenic pulmonary edema, which usually presents postoperatively. Its pathophysiology is mostly described as a profound negative intrathoracic pressure caused by an airway obstruction such as laryngospasm, which may occur during extubation. But, there are other hypotheses about it, such as catecholamines release causing an elevated hydrostatic pressure in the cardiopulmonary circuit and, consequently, a major capillary leak to the interstitium. Its natural course varies, from prompt recovery to intensive care unit escalation and prolonged mechanical ventilation. Although anesthesiologists often detect this condition, this case's objective is to bring awareness of this condition to internists as a potential differential diagnosis for hypoxia in the postoperative setting., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Cerna-Viacava et al.)

Colorectal cancer (CRC) is an increasingly prevalent condition in the United States and the world. Numerous screening tools have been created to help prevent and identify early cases of CRC, which have led to better outcomes for patients. These screening tools range from stool tests to more invasive procedures like a colonoscopy. With this array of screening options, patients are often presented with a bevy of choices in their primary care clinic and may have difficulty understanding the difference between screening and treatment. Popular culture has also influenced these decisions as both traditional media and social media have weighed in on the experience with these screening tools. We present a unique case where our patient tested negative on a stool screening exam and proceeded to be diagnosed with CRC within the negative screening period. The case was complicated by the patient's reluctance to undergo a colonoscopy and a unique combination of symptoms that led to a difficult diagnosis., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Obri et al.)

Hemophagocytic lymphohistiocytosis (HLH) is an inflammatory syndrome of inappropriate and excessive immune system activation. It often occurs in the setting of viral, bacterial, fungal, and parasitic infections. HLH associated with malaria is very rare, and literature on this association is limited. Significant overlap exists between these two conditions, which makes the diagnosis of HLH superimposed on malaria difficult. We present a case of a patient who recently traveled from Djibouti and was diagnosed with Plasmodium falciparum malaria. She had a transient improvement in response to antimalarial therapy followed by clinical deterioration. This prompted further investigations that revealed the diagnosis of HLH, which was confirmed by an elevated soluble interleukin-2 receptor CD25 (sCD25) level, a specific marker of HLH. Most patients recover with antimalarial therapy, supportive care, and monitoring, whereas some patients require immunosuppressive therapy. Maintaining a high index of suspicion for HLH-associated malaria in at-risk patients allows for early identification and management., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Almajed et al.)

Carcinomatous pericarditis is a rare complication of locally aggressive breast cancer in which malignant cells directly extend into the pericardium causing inflammation and creating a pericardial effusion. A 40-year-old woman with untreated metastatic breast cancer presented to an outpatient clinic in significant distress with symptoms of progressive shortness of breath and bilateral leg swelling. An urgent echocardiogram demonstrated a large pericardial effusion with echocardiographic evidence of cardiac tamponade. She underwent emergent pericardiocentesis of the effusion that was deemed to be malignant after cytologic evaluation. Subsequently, she opted for palliative treatment involving the surgical creation of a right pericardial window and placement of an indwelling pleural catheter. Internists should maintain a high index of suspicion for malignant cardiac tamponade in at-risk patients, especially those with locally aggressive and advanced malignancies., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Almajed et al.)

Shrinking lung syndrome (SLS) is a rare pulmonary complication of autoimmune conditions. It has been sparsely described in the literature and its pathophysiology remains unclear. SLS is typically reported in patients with a history of systemic lupus erythematosus (SLE) who present with shortness of breath and chest pain associated with breathing. Chest imaging demonstrates no alveolar, interstitial, or pleural abnormalities. Pulmonary function tests (PFTs) are characterized by a restrictive pattern with reduced lung volumes. SLS is a diagnosis of exclusion and there are no validated criteria for the diagnosis. Evaluation requires extensive testing to rule out alternative causes of dyspnea and pleuritic chest pain. In this report, we present a case of SLS in a young African American woman., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Almajed et al.)

With the growing global rates of diabetes and hypertension, chronic kidney disease (CKD) appears to be a major contributor to morbidity and all-cause mortality. In recent years, there has been growing controversy regarding the optimal timing for the initiation of hemodialysis in this patient cohort. In this report, we present the case of a 52-year-old female with a 15-year history of CKD who was admitted to the hospital with clinical manifestations of uremia, volume overload, and symptomatic anemia. The patient presented with fatigue, nausea, progressive shortness of breath, and lightheadedness for two weeks, which had limited the activities of daily living. For the past eight years, her estimated glomerular filtration rate (GFR) had ranged from 5 to 15 mL/min/1.73 m 2 , consistent with kidney failure seen in stage 5 CKD. Prior to her recent admission, the patient had been grossly asymptomatic and had been responsive to medical therapy. After appropriate management with hemodialysis, a transfusion of packed red blood cells, and medication adjustment, the patient was scheduled for maintenance dialysis through an arteriovenous fistula. She had no further complaints and her laboratory abnormalities were found normalized at the six-month follow-up. This case report presents the survival and outcome of a patient with stage 5 CKD, who was only initiated on hemodialysis eight years after her diagnosis., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2020, Almajed et al.)