MRCEM 2 Category: Infectious Diseases

mrcem2-0918

A 25-year-old woman presents with a 5-day history of a painful throat, high temperature, diarrhea, and muscle aches. Her temperature today is 38.6°C. Approximately 8 months ago, she began misusing intravenous drugs and acknowledges sharing needles. During the examination, you confirm the existence of lymph node swelling in the neck and armpits. Additionally, she has developed a widespread rash consisting of small raised bumps on her chest and abdomen.

Select from the options below the most probable diagnosis.

mrcem2-0907

A 42-year-old Emergency Medicine Resident presents after a night shift, having experienced a needle-stick injury while suturing a laceration with a flat-bladed suture needle.

Which SINGLE statement is true regarding their care?

mrcem2-0901

A child under your supervision is diagnosed with a reportable illness.
Select from the options below the one condition that is NOT currently a reportable illness.

mrcem2-0902

A 15 year old arrives at the emergency department complaining of a sore throat, swollen glands, and feeling tired for the past 9 days. Glandular fever is suspected. What test should be ordered to confirm the diagnosis?

mrcem2-0903

You evaluate a 82 year old who has been admitted to the emergency department due to high fever and worsening disorientation in the past few days. During chest examination, you observe left basal crackles. A chest X-ray confirms the presence of pneumonia. Your diagnosis is pneumonia with suspected sepsis. What is the mortality rate linked to sepsis?

mrcem2-0904

A 28 year old IV drug user presents to the emergency department with complaints of feeling ill. Considering the history of IV drug abuse, there is a concern for infective endocarditis. What is the most characteristic clinical manifestation of infective endocarditis?

mrcem2-0905

A 42 year old male is brought to the emergency department by a friend due to concerns the patient has been experiencing fever and increasing lethargy. The patient is known to be an intravenous drug user. The patient is found to have a high-pitched systolic murmur and crepitations in both lung bases. The following observations are noted:

Temperature: 38.8ºC
Pulse rate: 116 bpm
Blood pressure: 110/68 mmHg
Respiration rate: 22 bpm
Oxygen saturation: 96% on room air

What is the most likely diagnosis?

mrcem2-0906

A 32 year old woman arrives at the emergency department complaining of abdominal pain, fever, and yellowing of her skin and eyes. Upon examination, it is evident that she is clinically jaundiced. The patient has a history of intravenous drug use. You suspect she may have acute hepatitis B infection. Which of the following serology results would best support this diagnosis?

mrcem2-0897

You review a 30-year-old woman with a known diagnosis of HIV. She asks you some questions about her diagnosis.
What is the median incubation period from HIV infection until the development of advanced HIV disease (also referred to as AIDS)?

mrcem2-0898

A 28-year-old medical student has experienced a needlestick injury while working in the Emergency Department.
Select from the list of options below the single correct seroconversion rate for the specified pathogen.