A patient presents with pain and swelling at the base of the thumb, which worsens with gripping or pinching activities. The pain radiates up the forearm, and there is tenderness over the radial styloid. What is the most likely diagnosis is:

A 70-year-old patient experiences syncope when moving from a sitting to a standing position. Which of the following findings would most likely indicate orthostatic hypotension as the cause of the syncope?

In counseling a woman about infertility, which of the following is NOT considered a significant risk factor?

Which of the following is the most common clinical presentation of an ectopic pregnancy?

According to current clinical guidelines, which of the following is NOT a recommended  treatment for a patient presenting with non-ST segment elevation myocardial infarction (NSTEMI)?

A 45-year-old male presents to the clinic with dysuria, urinary frequency, and suprapubic pain for the past week. He has no significant past medical history and this is his first episode of urinary symptoms. What is the most appropriate initial diagnostic test to confirm a urinary tract infection (UTI) in this patient?

A 45-year-old patient presents with persistent epigastric pain, nausea, and vomiting that has not improved with initial medical management. Which of the following clinical scenarios most strongly indicates the need for endoscopy in the evaluation of this patient with suspected gastritis?

A 75-year-old man with a history of hypertension and diabetes presents with newly diagnosed atrial fibrillation. He is hemodynamically stable. Which of the following is the most appropriate initial treatment for rate control?

A 58-year-old man presents to the walk-in clinic complaining of chest pain that started 3 hours ago. The pain is described as a pressure-like sensation radiating to his left arm. His ECG shows no ST-segment elevation but does have T-wave inversions in the anterior leads. Which of the following is the most likely diagnosis?

A 45-year-old woman presents with recurrent episodes of vertigo, fluctuating hearing loss, tinnitus, and a feeling of fullness in her right ear. Each episode lasts from 20 minutes to several hours and occurs without warning. What is the most likely diagnosis?