A 29-year-old woman is brought to the emergency room after falling off her third floor apartment balcony. The patient suffered blunt abdominal trauma, a right femur fracture, and a left humeral fracture. On physical examination, her blood pressure is 70/30 mmHg and her heart rate is 120 beats per minute. After the administration of 5 units of packed red blood cells, the patient reports a “pins and needles” sensation on her distal toes and around her mouth. Laboratory testing confirms a calcium level of 6.9 mg/dL and a magnesium level of 1.1 mEq/L. Which of the following is the underlying cause of this patient's hypocalcemia and hypomagnesemia?

A previously healthy 24-year-old man is brought to the emergency department after a bicycle crash.  The patient was mountain biking downhill when he struck a prominent tree root and was thrown from his bike.  He tried to brace his fall with his hands, but his chest struck a large rock as he landed.  He did not hit his head or lose consciousness.  The patient has moderate central chest pain and severe right wrist pain.  Blood pressure is 142/86 mm Hg, pulse is 110/min, and respirations are 20/min.  Oxygen saturation is 98% on room air.  Physical examination is significant for sternal bruising with point tenderness, abrasions on both palms, and a deformed right wrist with an overlying laceration.  Breath sounds, heart sounds, and abdominal examination are normal.  Focused assessment with sonography for trauma is negative for free intraabdominal or pericardial fluid.  Noncontrast CT scan of the chest reveals a hairline sternal fracture.  Radiographs of the right wrist reveal a severely displaced, open fracture of the right distal radius.  The patient is hospitalized for operative irrigation, debridement, and fixation of the wrist fracture.  Throughout the day, the patient is noted to be persistently tachycardic even though he is afebrile and normotensive, with normal respirations and oxygen saturation.  Pain control is adequate.  ECG shows sinus tachycardia with frequent premature ventricular contractions.  Which of the following is the best next step in management of this patient?

An 84-year-old woman is brought to the emergency department after she was found abandoned in her home after a severe hurricane 4 days previously. The patient suffers from dementia and is wheelchair bound because of a healing hip fracture but has no other significant medical problems. On examination the patient is alert but disoriented, weight 60 kg, BP 100/60, HR 100, respiratory rate (RR) 16. You note poor skin turgor but no other acute abnormalities other than related to her hip fracture. Laboratory values are as follows:Na+ 156 mEq/LK+ 3.8 mEq/LBUN 38 mg/dLCreatinine 1.3 mg/dL Which of the following would be the most appropriate orders for the management of this patient's fluid and electrolyte status?Ask StudybuddyGroup of answer choices2-L bolus of 0.9% saline followed by 0.9% saline at 100 mL/hourD5W at 100 mL/hour with 60 mg furosemide IV × 1.3% saline at 100 mL/hour2-L bolus of D5W (5% dextrose solution in water) followed by D5W at 100 mL/hour0.45% saline at 150 mL/hour

A 35-year-old male arrives to the emergency room with multiple long bone fractures and an internal abdominal injury. The patient is anxious. Patient's vital signs are: Blood pressure 70/54, heart rate 125 bpm, respirations 30, oxygen saturation on 2 L nasal cannula 96%, temperature 99.3 'F, pain 6 on 1-10 scale. During assessment it is noted the skin is cool and clammy. The nurse will make it priority to?Question 7Select one:a.Establish 2 large-bore IV access sitesb.Obtain an EKGc.Place a warming blanket on the patientd.Collect a urine sample

Sodium 136 mEq/LPotassium 2.6 mEq/LChloride 93 mEq/LBicarbonate 34 mEq/LBlood urea nitrogen 9 mg/dLCreatinine 0.8 mg/dLGlucose 150 mg/dL (non-fasting)Magnesium 0.6 mEq/L Arterial blood gas  pH 7.50  PaO2 95 mmHg  PaCO2 48 mmHg Urine studies show high levels of potassium and chloride, and low levels of calcium. Which of the following conditions would produce similar findings to this patient's disease?

A 68-year-old male presented to the primary care physician for his annual visit. His past medical history was significant for mildly elevated blood pressure during the prior annual visit. He was in good health, otherwise. He was advised to reduce salt intake and increase physical activity during that visit. On physical examination, his blood pressure is 178/72 mm Hg, with no clinically significant differences between arms or on standing. He has a body mass index of 28.4 kg/m2 (normal: 18-25 kg/m2). The examination is otherwise unremarkable. Urinalysis is normal. The nonfasting blood glucose level is 95 mg/dL (normal: 80-100 mg/dL), serum potassium is 4.2 mEq/L (normal: 3.5-5 mEq/L), and creatinine is 1.2 mg/dL (normal: 0.7-1.4 mg/dL). Which of the following high blood pressure-related conditions would he most likely have?