Emergency Medicine Rotation Exam With Audio Explanations (Exam 2)

To further assess ascites in a patient, the physician assistant instructs the patient to turn onto one side while performing percussion. Which of the following is the reason for this maneuver?

A patient complains of loss of sensation at the level of the umbilicus. Which of the following dermatomes is affected?

A 25-year-old female graduate student presents to the student health center for the eighth time in three weeks to be sure she does not have meningitis. She read that there was a student on campus who had meningitis last month, and now she has headaches and is requesting to be tested to make sure she does not have meningitis. She has been evaluated at each visit, and physical examination has been completely normal each time. Which of the following is the most likely diagnosis?

A 29-year-old patient with idiopathic thrombocytopenia purpura (ITP) is treated with prednisone therapy. Despite therapy, platelet counts remain consistently below 20,000/microliter over the course of 6 weeks. Which of the following is the most appropriate intervention for this patient?

Which of the following clinical findings would be seen in a patient with food poisoning caused by Staphylococcus aureus?

Which of the following diagnostic tests should be ordered initially to evaluate for suspected deep venous thrombosis of the leg?

A 26-year-old man is stung by a bee, and shortly thereafter, a wheel develops at the site of the sting. He soon feels flushed and develops hives, rhinorrhea, and tightness in the chest. He is seen in the urgent care center. Immediate therapy should be to

A 19-year-old patient was involved in a motor vehicle crash and brought to the emergency department fully immobilized. The patient sustained multiple blunt injuries to the chest and abdomen. During the trauma assessment, there was no blood at the urethral meatus and a Foley catheter was placed. The urine was positive for blood on the dipstick. Which of the following is the most appropriate diagnostic test?

A 52-year-old male with a history of hypertension and hyperlipidemia presents with acute myocardial infarction. Urgent cardiac catheterization is performed and shows a 90% occlusion of the left anterior descending artery. The other arteries have minimal disease. Ejection fraction is 45%. Which of the following is the treatment of choice in this patient?

An 18-year-old male presents with pain in his wrist after he fell off of a moving motor cycle. Physical examination reveals tenderness in the anatomic snuffbox. No fracture is noted on plain radiography of the wrist. Which of the following is the recommended treatment for this patient?

Early clues to impending delirium tremens include

A 36-year-old woman admits that her husband has abused her for over ten years. You should inform the woman that she is at most risk for injury or death

A patient presents with an acutely painful and cold left leg. Distal pulses are absent. Leg is cyanotic. There are no signs of gangrene or other open lesions. Symptoms occurred one hour ago. Which of the following treatments is most appropriate?

A 53-year-old male is seen in the emergency department following a motor vehicle collision in which his knee impacted against the dashboard. The patient has a posterior knee dislocation that is promptly reduced in the emergency department. The patient currently has a palpable pulse in the dorsalis pedis and posterior tibial areas. Which of the following studies is mandatory?

A 70-year-old presents with headache and neck stiffness. On physical exam, the patient is febrile, Kernig's sign is present, and no rash is noted. A spinal tap reveals a white count of 250/cm3 with 100% neutrophils, total protein 250 mg/dL, and glucose 35 mg/dL. Which of the following is the most appropriate treatment?

A 74-year-old female is being treated for mild hypertension. She is found at home with right hemiparesis and brought to the emergency department. Her daughter states that the patient fell in her kitchen 2 days ago, but had no complaints at that time. She did state that her mother sounded a little confused this morning. The patient's left pupil is dilated. Which of the following diagnostic studies should be ordered first?

Seizures that first manifest in early to middle adult life should be considered suspicious of which of the following causes?

A 32-year-old presents with a 3-day history of diarrhea. The patient denies blood, mucus, or night awakening with diarrhea. He recently returned from a business trip to Canada. On physical examination, the patient is afebrile and vital signs reveal BP 115/80, pulse is 76, and respirations are 14. The abdominal examination reveals hyperactive bowel sounds, but is otherwise unremarkable. Which of the following is the most appropriate initial intervention?

A 62-year-old male presents with complaints of vague epigastric abdominal pain associated with jaundice and generalized pruritus. Physical examination reveals jaundice and a palpable non-tender gallbladder, but is otherwise unremarkable. Which of the following is the most likely diagnosis?

A 65-year-old male presents with back pain two days after he was shoveling snow. The patient complains of pain in his low back that radiates into his buttocks, posterior thigh and calf, and the bottom of his foot. There is associated numbness of his lateral and plantar surface of his foot. Which of the following disc herniations is most likely to be affected?

A 22 year-old female presents to the emergency department with rapid heart rate. She appears quite thin and dehydrated. She denies that she is thin, stating "I am so fat that I can hardly stand myself! That is why I exercise every day." She runs twelve to fifteen miles a day, and on weekends also bicycles forty to fifty miles. Her LMP was six months ago. On exam, she is 5' 6" tall and weighs 98 pounds. Temp 98 degrees F, pulse 100, respirations 18, BP 98/60. EKG shows sinus tachycardia. Laboratory findings include Na 138 mEq/L, K 2.8 mEq/L, Cl 91 mEq/L, BUN 35 mg/dL, Creatinine 1.1 mg/dL. Which of the following is the next most appropriate treatment?

Which of the following is the most common cause for acute myocardial infarction?

Which of the following rotator cuff tendons is most likely to sustain injury because of its repeated impingement (impingement syndrome) between the humeral head and the undersurface of the anterior third of the acromion and coracoacromial ligament?

A 13-year-old boy with leukemia presents with epistaxis for two hours. The bleeding site appears to be from Kiesselbach's area. The most appropriate intervention is

Which of the following is the most common cause of arterial embolization?

A 25-year-old man presents with odynophagia and dysphagia. On endoscopic examination, small, white, patches with surrounding erythema are noted. Silver stain is positive for hyphae. The best treatment option for this patient is

A mother brings her teenage daughter to the emergency department. The teenager is anxious, tremulous, and in a dysphoric mood. She reports recent nightmares and insatiable hunger. Which of the following diagnostic tests would likely yield the most important information?

A 75-year-old woman presents to the office with complaint of vision loss. Examination reveals a palpable cord in the temporal region. Which of the following is the most helpful initial test to order on this patient?

A 53-year-old male with history of hypertension presents complaining of recent 4/10 left-sided chest pain with exertion that is relieved with rest. He states the pain usually lasts approximately 4 minutes and is relieved with rest. Heart examination reveals regular rate and rhythm with no S3, S4, or murmur. Lungs are clear to auscultation bilaterally. Electrocardiogram reveals no acute changes. Which of the following is the most appropriate initial step in the evaluation of this patient?

A 33-year-old male presents to your office with a complaint of right knee injury associated with pain and swelling. He states he was running after his loose dog and suddenly stopped, hyperextended his knee, heard a pop and noticed immediate swelling. On physical examination, the Lachman test and anterior drawer test demonstrates joint laxity. Which of the following ligaments is most likely injured?

A 22-year-old woman comes to the office because her urine is cola-colored and she has not urinated since yesterday morning. Her past medical history is significant for pharyngitis two weeks ago. Her mother and grandmother have type II diabetes. Her blood pressure is 146/92 mmHG. On physical examination, she has edema of her face and hands. Which of the following is the most likely diagnosis?

A 15-year-old girl is hit in the right eye by a golf ball. There is swelling and ecchymosis of the orbit. She complains of double vision. The right eye does not move with downward gaze or right lateral gaze. Which of the following diagnostic tests will provide the most accurate information regarding this injury?

A 68-year-old male with a history of atrial fibrillation treated with warfarin (Coumadin) presents to the emergency department after vomiting large amounts of bright red blood. INR is 3. Which of the following is most appropriate to rapidly lower the patient's INR?

An 85-year-old nursing home resident presents with abrupt onset of cough, sore throat, headache, myalgias, and malaise. On examination the patient's temperature is 102 degrees F; the rest of the exam is unremarkable. Nasal smear is positive for Influenza B. Which of the following is the treatment of choice in this patient?

A 25-year-old male presents to the emergency department for evaluation of a wound on his hand. He cut his hand while tearing down a chicken coop. On examination of his right hand you note a dirty 3 cm jagged laceration. The patient is unaware of his tetanus immunization status. Besides cleaning and debriding the wound, what is the recommended clinical intervention in this patient?

A 20-year-old male presents with complaint of brief episodes of rapid heart beat with a sudden onset and offset that have increased in frequency. He admits to associated shortness of breath and lightheadedness. He denies syncope. Electrocardiogram reveals a delta wave prominent in lead II. Which of the following is the most appropriate long-term management in this patient?

A 26-year-old woman requests screening after her boyfriend was treated for a sexually transmitted infection recently. On examination you find a painless vulvar ulcer. Which of the following is the most likely diagnosis?

A 57-year-old male recently on a high protein diet presents with an exquisitely tender, erythematous, warm right great toe. Which of the following is the treatment of choice for this patient?

Which of the following diagnostic studies is indicated in the evaluation of an upper gastrointestinal bleed?

Which of the following physical examination findings would be consistent with a pleural effusion?

A 72-year-old patient with a history of hypertension and atrial fibrillation presents with episodes of weakness, numbness, and paresthesias in the right arm. At the same time, she notes speech difficulty and loss of vision in her left eye. These symptoms come on abruptly and clear within minutes. Physical examination is normal except for the previously known arrhythmia. Which of the following is the most likely diagnosis?

A 16-year-old male involved in a fight sustained a laceration to his right upper eyelid. He is unable to open his eye, and a possible laceration of the globe is suspected. Which of the following is the next step?

A 75-year-old female falls on her outstretched arm. She sustains a humeral mid-shaft fracture. Nerve impingement occurs due to the fracture. What is the most likely physical examination abnormality that will be encountered?

A 57-year-old male was working on his farm when some manure was slung hitting his left eye. He presents several days after with a red, tearing, painful eye. Fluorescein stain reveals uptake over the cornea looking like a shallow crater. Which of the following interventions would be harmful?

A 15-year-old softball player presents after jamming the distal tip of her finger into severe flexion. She is unable to extend the distal phalanx and she has pain on palpation of the distal interphalangeal joint. X-ray of the hand fails to reveal any associated avulsion fracture. Which of the following is the treatment of choice?

Which of the following views on plain films is preferred to identify spondylolysis?

What type of chest pain is most commonly associated with a dissecting aortic aneurysm?

Which of the following is the first-line treatment for symptomatic bradyarrhythmias due to sick sinus syndrome (SSS)?

A 36-year-old patient with cardiomyopathy secondary to viral myocarditis develops fatigue, increasing dyspnea, and lower extremity edema over the past 3 days. He denies fever. A chest x-ray shows no significant increase in heart size, but reveals prominence of the superior pulmonary vessels. Based on these clinical findings, which of the following is the most likely diagnosis?

An 18-year-old sexually active female was seen in the student health clinic 1 week ago for a sore throat. A streptococcal antigen test was positive, and she was given a prescription for oral penicillin. After 3 days, she stopped her medication because she felt better. She now presents with a severe sore throat. On physical examination, she has a temperature of 102.6° F (39.2° C), marked pharyngeal erythema, medial deviation of the soft palate on the left, tender left anterior cervical adenopathy, and a "hot potato" voice. The rest of her history and physical examination are unremarkable. Which of the following is the most likely diagnosis?