One of the most common metabolic abnormalities found in patients with malignancy is hypercalcemia. Hypocalcemia is a rare occurrence and is often found to be associated with renal failure and patients taking bisphosphonate therapy for bone metastasis in this patient population. Here, we present two different case reports with hypocalcemia. A 66-year-old female with a recent diagnosis of tonsillar diffuse B-cell lymphoma admitted with complaints of generalized weakness after one cycle of R-CHOP, found to have neutropenia, a low calcium level, high PTH, and low 25-hydroxy Vitamin D levels. She was given calcium gluconate and supplemental 25-hydroxy Vitamin D. On day 2, the patient's symptoms and counts improved. The second patient was a 64-year-old male with recurrent metastatic laryngeal carcinoma, along with a second locally advanced primary rectal adenocarcinoma, presented with severe hypocalcemia and a low PTH level. The patient was on adjuvant chemotherapy and exhibited Chvostek’s sign, along with perioral numbness, tingling, and twitching sensations, which eventually led to dysphagia. He was treated with calcium gluconate, calcitriol, and calcium carbonate. Signs and symptoms, along with lab values, improved on day 4. These cases suggest that calcium kinetics and 25-hydroxy Vitamin D levels need to be monitored in these patient populations in a routine manner.
Introduction: Spontaneous coronary artery dissection (SCAD) is a rare condition; an intimal tear or bleeding of vasa vasorum leads to the creation of a false lumen filled with intramural hematoma. The hematoma causes coronary stenosis, leading to subsequent myocardial ischemia. SCAD is the cause of Acute Coronary Syndrome (ACS) in 0.1 to 4% of cases. Men account for less than 10% of cases, with a mean age of 48.6. Case Study: A 19-year-old male with prior medical history of morbid obesity and marijuana use was transferred from another hospital to our service after presenting with non-ST elevation MI. He was admitted following 30 minutes of a throbbing/pressure-like sensation in his throat, one episode of vomiting, and paresthesia in his left arm that spontaneously resolved. Initial EKG showed sinus rhythm with early repolarization changes. His troponin rose from 0.2 to 18 ng/mL. Upon admission, his high sensitivity troponin peaked at 15,000 pg/mL. Repeat EKG showed dynamic changes with T wave inversions in the inferolateral leads. The patient underwent an angiogram showing a diffuse, mid-LAD 40% de novo spontaneous dissection and a diffuse, distal-LAD 20% de novo spontaneous dissection with TIMI grade 3 and 2 flow, respectively. A repeat angiogram two days later showed improved coronary artery flow and deemed a low-risk lesion with stable patient hemodynamics; no intervention followed. The patient was treated conservatively with DAPT and discharged home with an outpatient Cardiology follow-up. A plan to have further imaging in 4 weeks to assess hematoma resolution was made. Conclusions: This case demonstrates an atypical presentation of SCAD in a very low-risk patient, given his sex, age, and clinical presentation of nonspecific chest pain. This case highlights the importance of high clinical suspicion for SCAD regardless of ACS risk profile in a patient presenting with chest pain.
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