Cardiology Quiz #25: Aortic Pathology and Subclavian Steal Syndrome

1. A 65-year-old woman presents with complaints of dizziness and blurred vision, especially when she uses her left arm for activities like gardening. She has a history of hypertension and smoking. On physical examination, her blood pressure is 150/90 mmHg in the right arm and 120/70 mmHg in the left arm. Auscultation reveals a bruit over the left supraclavicular area. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 70-year-old man presents with a sudden onset of severe chest pain radiating to his back. His blood pressure is 180/100 mmHg, and a chest X-ray shows a widened mediastinum. Laboratory tests are unremarkable except for a slightly elevated D-dimer. Which of the following is the most likely diagnosis? 

Question 2 of 5

3. During a routine check-up, a 55-year-old man with a history of smoking and hypertension is found to have a pulsatile mass in the abdomen. An ultrasound confirms the presence of an abdominal aortic aneurysm (AAA) measuring 4.5 cm in diameter. Which of the following is the most appropriate next step in management? 

Question 3 of 5

4. A 60-year-old man with a history of atherosclerosis complains of intermittent claudication and pain in his left arm during exertion. His blood pressure is 140/85 mmHg in the right arm and 115/75 mmHg in the left arm. Doppler ultrasound shows a significant stenosis of the left subclavian artery proximal to the vertebral artery. Which of the following mechanisms best explains his symptoms? 

Question 4 of 5

5. A 72-year-old woman with a history of hypertension presents with a tearing sensation in her chest, radiating to her back. Her blood pressure is 170/90 mmHg, and a diastolic murmur is heard on auscultation. CT angiography of the chest is ordered, suspecting a specific cardiovascular pathology. Which of the following findings is most likely to be observed on the imaging study? 

Question 5 of 5


¡Por tiempo limitado!

Unete a nuestro boletín mensual y obtén todos nuestros talleres USMLE/ECFMG ¡GRATIS! (+100 videos)

¡Únete a nuestra comunidad de IMGs!

¡Obtén actualizaciones mensuales USMLE y ECFMG, además, obtén un taller USMLE gratis al instante!

"Taller 01: ¿Qué es el USMLE?”

Taller Gratuito USMLE

Este taller proporciona un análisis en profundidad de todos los exámenes USMLE, consejos para tomar exámenes y cómo estudiar de manera efectiva.


Especialista ECFMG: Dr. Carla Rebeca Lainez Casal

Facultad de Medicina: Universidad Catholica de Santiago de Guayaquil
ECFMG Certification date: October 13, 2022.
Residency: 2023 Internal Medicine Applicant
+1 7542724970