Uworld | Step 2ck

2022-04-23 23:20:30 https://t.me/studentdoctor Open / Comment

2022-04-23 20:57:01 Educational objective: Lateral medullary infarct (Wallenberg syndrome) occurs due to occlusion of the posterior inferior cerebellar or vertebral artery. Patients develop loss of pain and temperature over the ipsilateral face and contralateral body, ipsilateral bulbar muscle weakness, vestibulocerebellar impairment (eg, vertigo, nystagmus), and Horner's syndrome. Motor function of the face and body is typically spared. Open / Comment

2022-04-23 07:56:01 Open / Comment

2022-04-23 07:56:01 A 56-year-old man comes to the emergency department with severe dizziness, inability to walk, and stabbing pain on the right side of his face that started this morning. He has a history of diet-controlled type 2 diabetes mellitus, hypertension, and hyperlipidemia. His blood pressure is 144190 mm Hg and pulse is 92fn1in. The patient topples to the right when sitting without support. The left pupil is larger than the right, and there is reduced corneal reflex on the right directly but not consensually. There is partial ptosis of the right eye. Horizontal and rotational nystagmus is present His voice is hoarse. His gag reflex is diminished. There is loss of pain and temperature sensation in the right face and the left trunk and limbs. Open / Comment

2022-04-22 20:55:26 Educational objective: Dystonias are involuntary muscle contractions that often involve the small muscles of the head and neck; oculogyric crisis results in a forced upward gaze deviation. Dystonias typically occur as extrapyramidal symptoms of a high-potency, first-generation antipsychotic (eg, haloperidol, fluphenazine). Management includes benztropine and diphenhydramine. Open / Comment

2022-04-22 07:53:02 Open / Comment

2022-04-22 07:53:01 A 26-year-old man is brought to the emergency department by police after he was found disoriented and wandering on the street No medical history is available. The patient is agitated and violent but calms down after several doses of lorazepam and haloperidol. Physical examination reveals confusion and bilateral horizontal nystagmus but no other focal neurologic findings. There are abrasions on the lower extremities. Urine drug screen is positive for phencyclidine. The patient is hospitalized for observation. Several hours later, his agitation and confusion have improved, but he reports difficulty with his vision. Temperature is 37.1 C (98.8 F), blood pressure is 134/84 mm Hg, pulse is 88/min, and respirations are 16/min. On examination, both eyes are deviated superiorly, and extraocular movement is restricted. There is rigidity of the neck and upper extremities. Noncontrast CT scan of the head shows no intracranial hemorrhage. Open / Comment

2022-04-22 03:23:13 30 repeated questions per block

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https://t.me/USMLERECALLS2021/558 Open / Comment

2022-04-21 20:53:01 Educational objective: Cryptococcal meningoencephalitis is common in patients with advanced AIDS and generally manifests with signs of elevated intracranial pressure (ICP), including progressive headaches, nausea/vomiting, and confusion.In a minority of patients, elevated ICP compresses the 6th cranial nerve and results in diplopia and lateral gaze palsy. The diagnosis is generally made using lumbar puncture with CSF analysis and India ink stain or capsular polysaccharide antigen testing. Open / Comment

2022-04-21 07:52:02 Open / Comment