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A 73-Year-Old Man Is Brought to the Emergency Department Due

question 120

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A 73-year-old man is brought to the emergency department due to increasing confusion for the last day.  The patient has a history of type 2 diabetes mellitus, neuropathy, nonhealing foot ulcer, and coronary artery disease.  On arrival, he is lethargic.  Temperature is 37.6 C (99.7 F) , blood pressure is 80/50 mm Hg, pulse is 120/min, and respirations are 18/min.  Pulse oximetry on room air shows an oxygen saturation of 97%.  Mucous membranes are moist.  Cardiopulmonary examination reveals no abnormalities.  The abdomen is soft and nontender.  Neurologic examination shows no focal findings.  A nonhealing diabetic ulcer with small eschar is present over the right heel; there is no purulence, tenderness, or surrounding erythema.  Laboratory results are as follows: A 73-year-old man is brought to the emergency department due to increasing confusion for the last day.  The patient has a history of type 2 diabetes mellitus, neuropathy, nonhealing foot ulcer, and coronary artery disease.  On arrival, he is lethargic.  Temperature is 37.6 C (99.7 F) , blood pressure is 80/50 mm Hg, pulse is 120/min, and respirations are 18/min.  Pulse oximetry on room air shows an oxygen saturation of 97%.  Mucous membranes are moist.  Cardiopulmonary examination reveals no abnormalities.  The abdomen is soft and nontender.  Neurologic examination shows no focal findings.  A nonhealing diabetic ulcer with small eschar is present over the right heel; there is no purulence, tenderness, or surrounding erythema.  Laboratory results are as follows:   Which of the following is the most appropriate next step in management of this patient within the first hour of arrival in the emergency department? A) CT scan of the head B) Debridement of the foot eschar C) Intravenous antibiotics D) Intravenous dopamine E) Short-acting insulin Which of the following is the most appropriate next step in management of this patient within the first hour of arrival in the emergency department?

Calculate conditional probabilities in various contexts.
Apply probability rules to real-life scenarios involving demographics and health statistics.
Analyze statistical data to determine relationships between different variables.
Interpret data tables to calculate specific probabilities.

Definitions:

Ainsworth's Study

Landmark research by psychologist Mary Ainsworth exploring the nature of attachment between infants and their caregivers, notably through the "Strange Situation" experiment.

Clinging

The behavior of physically or emotionally attaching oneself to a person, object, or idea for security or assurance.

Separation Anxiety

A psychological condition in which an individual experiences excessive fear or anxiety upon being separated from those to whom they have a strong emotional attachment.

One-Year-Old

refers to a child or organism that has completed one year of life, typically going through rapid developmental stages.

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