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Unstable angina

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Cardiovascular system

Pathology

Vascular disorders
Congenital heart defects
Cardiac arrhythmias
Valvular disorders
Cardiomyopathies
Heart failure
Cardiac infections
Pericardial disorders
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Cardiovascular system pathology review

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Unstable angina

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High Yield Notes
5 pages
Flashcards

Unstable angina

6 flashcards
Questions

USMLE® Step 1 style questions USMLE

3 questions
Preview

A 52-year-old man comes to the clinic due to an episode of chest pain and shortness of breath. The patient describes substernal chest pain that started suddenly when he was walking up the stairs and resolved after a few minutes of rest. Medical history includes type 2 diabetes mellitus and hypercholesterolemia. The patient does not use tobacco, alcohol, or illicit drugs. The patient’s temperature is 36.5°C (97.7°F), pulse is 80/min, respirations are 20/min, and blood pressure is 130/85 mmHg. He does not appear to be in distress. Physical examination shows normal heart sounds with no murmurs or gallops heard on auscultation. Which of the following sets of findings would most likely be seen in this patient if diagnostic investigations had been obtained during the episode of pain?  

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Summary
Unstable angina is a type of angina pectoris that is unpredictable. It is also classified as a type of acute coronary syndrome. Unstable angina is chest pain that occurs at rest and can be relieved by nitroglycerin. Unstable angina is commonly due to thrombosis with incomplete coronary artery occlusion; +/− ST depression and/or T-wave inversion on ECG but no cardiac biomarker elevation (unlike NSTEMI).