Five-year-old Joshua is being evaluated for complaints of ear pain for the past 24 hours. Joshua has been tugging at his ear and crying because of the discomfort. You need to talk to Joshua’s father to understand the symptoms and diagnose Joshua.

Michael Thompson is a patient who is visiting his primary care clinician because he has been feeling increasing fatigue over the past six months with intermittent claudication that started about three months ago.

Mr. Wilson’s has noticed a gradual worsening of vision over the past year which has been persistent and progressive. He is finding it hard to see at night and is experiencing a sensitivity to light and glare. Wearing glasses is not helping with the vision clarity.

Jane is being evaluated for recurrent episodes of sneezing, nasal congestion, and itchy eyes, which especially occur during spring and fall. Her symptoms have been present for a few weeks and typically last for 4-6 weeks, aligning with the seasons.

Linda Nguyen is seeking medical help after she started seeing flashing lights and a shadow over her vision in her right eye. This sudden onset of symptoms started and a day prior and has been persistent since then. The visual change is adversely affecting her ability to see clearly causing grave discomfort.

Emily Chen is visiting her primary care provider to get help for her severely sore throat. There was a sudden onset of symptoms three days earlier causing difficulty in swallowing, there is redness in her throat and the glands feel swollen. She is also experiencing low grade fever.

Elizabeth Martinez, 68-years-old, is experiencing palpitations and shortness of breath. Her symptoms started two months ago but have become frequent recently. Episodes last from a couple of mintues to several hours and feel like irregular heartbeats.