mrcem2-1698

A 25-year-old male arrives at the emergency department with a significant laceration on his right forearm. You suggest that this can be stitched up using local anesthesia. Bupivacaine 0.5% is accessible in the suture room. What is the maximum dosage of Bupivacaine 0.5% that can be administered?

mrcem2-1699

A 32-year-old woman is admitted to the department after ingesting an excessive amount of tricyclic antidepressants (TCAs) four hours ago.
Which of the following ECG findings is most frequently observed in cases of TCA overdose?

mrcem2-1700

A 45 year old comes to the emergency department with swelling of the lips and tongue that developed slowly over the past 3 hours. There is no accompanying rash. The patient denies consuming anything unusual and has no known allergies. The patient recently began taking multiple new medications after experiencing a heart attack one month ago. You suspect that the patient is experiencing non-allergic drug induced angioedema. What is the most probable cause of the patient’s symptoms?

mrcem2-1696

A 28-year-old man is brought in by ambulance. He is unconscious and was discovered next to an empty container of antifreeze by his girlfriend.
What type of acid-base imbalance would you anticipate in a patient with ethylene glycol poisoning?

mrcem2-1689

A 32-year-old man is brought in to the department, having taken an overdose of his tricyclic antidepressants 4 hours earlier.

Which of the following is LEAST likely to be seen on the ECG of a patient that has taken a tricyclic antidepressant overdose?

mrcem2-1684

A 35-year-old woman has recently started taking a new medication. She is experiencing severe muscle pains.
Which ONE of the following drugs is most likely to cause myopathy as a side effect?

mrcem2-1686

A 45 year old woman is brought into the emergency department after intentionally overdosing on a significant amount of amitriptyline following the end of a relationship. You order an ECG. What ECG changes are commonly seen in cases of amitriptyline overdose?

mrcem2-1690

A 30 year old male is brought to the emergency department by his friends after they discovered he had ingested an excessive amount of medication. The patient seems disoriented. The friends inform you that he had consumed 4 bottles (120 tablets) of 500 mg ibuprofen tablets. The initial ibuprofen level is reported as 600 mg/L. What level of ibuprofen toxicity does this indicate?

mrcem2-1688

A child develops pain, swelling, induration, and a rash following a tetanus vaccination. The child is subsequently discovered to have suffered the Arthus reaction.
Which type of hypersensitivity reaction has occurred in this case?

mrcem2-1687

A 25-year-old man has had discoloured teeth since taking a medication in his youth. Upon examination, visible greyish-brown horizontal stripes can be observed across all of his teeth.
Which SINGLE medication is most likely responsible for this?