After a car accident five years prior, a 46-year-old man with non-alcoholic cirrhosis and a history of splenectomy presented to the emergency room with 102 F fever, nausea, weakness, stomach discomfort, and myalgia. The patient and his dog had gone trekking on Cape Cod two weeks prior. Arrival values were 103°F, 108°HR, 12°RR, and 98% SaO2 in RA. The patient appears unwell, is feeble, febrile, and tachycardic during the examination. WBC 14.6; Platelets 218000; Hb 10.0; Na 136; K 4.0; BUN 22; Cr 1.3; in the lab. Additional labs are pending. Below is a blood smear. Intravenous fluids and supportive treatment are initiated for the patient after admission to the MICU. What specific therapy is being used?

An obese 32-year-old woman arrives with ongoing right knee pain. She rejects any claims of injury, bruising, fever, rash, or general ill health. She has never experienced anything like this. She doesn't have any noteworthy medical history. She owns a woman's clothes store, which keeps her busy yet stressful. The knees are symmetrical and show no erythema, effusion, edema, or warmth. When felt, the distal femur is painful. On the right, there is less room for mobility. Over the diseased femur on an x-ray, there is a lucent, lytic lesion. Which diagnosis is more likely?

A 25-year-old man is treated for a severe asthma attack in the emergency room. He also feels queasy and reports having diarrhea and vomiting. With many hospitalizations and one intubation five years ago, the patient has a long history of severe asthma. He started having breathing problems two days ago, and they have been getting worse ever since. He attempted home nebulizers for ipratropium, cromolyn treatment, and albuterol, but nothing helped his symptoms. Peak flow rates in the hospital are over 50% lower than they were at baseline. Which medication from the list below needs to be added to the patient's treatment plan in order to help him with his present symptoms?

Having a history of hypertension, hyperlipidemia, and alcoholism, a 50-year-old patient arrives at the emergency room with a strong cough, a fever, chills, and generalized weakness. Her family adds that she has been acting confused as well, and she claims that she has had those symptoms for more than a week. She recently resumed drinking and is currently taking Lipitor and Atenolol. Vital signs include a temperature of 102.5°F, a blood pressure of 110/75, a heart rate of 105 beats per minute, a respiratory rate of 22, and reduced breath sounds in the right lower lobe (RLL). What is your prevailing medical opinion?