Point-of-Care ultrasound (POCUS) is the bedside utilization of ultrasound, in real-time, to aid in the diagnosis and treatment of patients. Image acquisition from POCUS utilization by anesthesiologists involves the assessment of multiple organs in different perioperative situations. POCUS can be utilized to enhance clinical decision-making in a variety of perioperative situations due to its ability to assess endotracheal tube placement, cardiac function, pulmonary function, aspiration risk, hemodynamics, vascular access, and nerve visualization for regional procedures. The mounting clinical evidence for the value of POCUS in perioperative settings, its growing affordability, and its low associated risks are responsible for the nationwide movement across many anesthesiology residency programs to increase the focus on perioperative ultrasound training. The purpose of this review is to present to current anesthesiologists and anesthesiology trainees, a broad discussion regarding the diverse utility and importance of POCUS in perioperative settings.

Autoimmune autonomic ganglionopathy (AAG) is a rare post-ganglionic disorder that causes a range of symptoms, often including gastrointestinal disorders. Patients may be seropositive or seronegative for antibodies against the nicotinic acetylcholine receptor. Here, we describe the case of a 56-year-old woman with a previous diagnosis of sensorimotor peripheral neuropathy who presented with severe constipation that was not responsive to laxative therapy. The evaluation showed diffuse colonic hypomotility, rectal hypersensitivity, and type IV pelvic floor dysfunction. The patient was diagnosed 10 months after the presentation as having seronegative AAG, and she responded well to treatment with intravenous methylprednisolone and apheresis.

We present a 63-year-old man with a medical history of hepatocellular carcinoma who underwent orthotopic liver transplant 10 years prior on long-term immunosuppressive therapy. The patient presented to the clinic with diarrhea, and the workup revealed mantle cell lymphoma. Mantle cell lymphoma is an extremely rare finding in transplanted livers. It is essential to include mantle cell lymphoma, along with a broad differential, during the workup of diarrhea in post-transplant patients.

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