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Cardiovascular - Acute Coronary Syndromes PDB CEN Exam $9.99   Add to cart

Exam (elaborations)

Cardiovascular - Acute Coronary Syndromes PDB CEN Exam

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  • Cardiovascular - Acute Coronary Syndromes PDB CEN
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  • Cardiovascular - Acute Coronary Syndromes PDB CEN

Cardiovascular - Acute Coronary Syndromes PDB CEN Exam...

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  • October 25, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Cardiovascular - Acute Coronary Syndromes PDB CEN
  • Cardiovascular - Acute Coronary Syndromes PDB CEN
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Cardiovascular - Acute Coronary Syndromes
PDB CEN Exam

Stable Angina Pectoris

CP that occurs w/ physical exertion, short duration

**relieved by rest or NTG

- negative troponin



NSTEMI

Plaque rupture, absent ST elevation

- positive troponin



STEMI

ST elevation d/t obstruction of vessels w/ thrombosis

- positive troponin



Prinzmetal's Angina

AKA variant angina - ischemia d/t coronary vasospasms (usually stimulants)

- cyclical pain at rest

- vasospasm is precipitated by stress

ST elevation resolves and pain relief when vasospasm resolves*** BB may exacerbate
vasospasm d/t unopposed alpha stimulation



S/S of Acute coronary syndromes

Chest Tightness

Jaw/neck/left arm/epigastric pain

, scapular discomfort

N/V

S/sx of schock

dysrhythmias

diaphoresis

dizziness

**Women - increased fatigue, scapular, RUQ pain

**DM more likely to have silent MI



Labs A/w ACS

Troponin - elevation in 3-12 hours, peaks 10-24

CK-MB (myoglobin) - rises earlier but not specific



Signifant history for those in ACS emergency

Use of Phosphodiesterase inhibitors (sildenafil/viagra) w/in last 24 hrs

Cocaine - leaves unopposed alpha stimulation if given beta blockers



What is unopposed alpha stimulation

acute elevation in blood pressure and/or worsening coronary artery vasoconstriction
following the administration of a β-blocker



Limb Leads

Leads I, II, III, aVR, aVL, aVF are all derived using 3 electrodes - Right arm, left arm, left
leg



Contiguous Leads

Leads that view geographically similar areas of the myocardium; useful for localizing
areas of ischemia.

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