Pccn Review Cardiac 2024-2025 Prep Test Bank Exam 2 2024-2025 With 450 Plus Questions And Correct Detailed

PCCN Review - Cardiac 2024-2025 PREP TEST BANK EXAM 2 2024-2025 WITH 450 plus QUESTIONS AND CORRECT DETAILED ANSWERS (100% CORRECT ANSWERS) PCCN (NEWLY UPDATED 2024-2025 Unstable Angina Change in the pattern of angina; Increased pain; not responsive to first Nitro tab; Can persist >5 min; Occurs more Freq; lasts longer; Occurs at rest --> Indicates Rupture of plaque forming thrombus = MI Variant Angina Results from spasms of the Coronary arteries (c) or (s) plaque; r/t smoking/etoh/stimulant rxs; elevated STs; usually occurs at same time each day; occurs at rest --> Tx with Nitro & Ca++ Ch Blockers Calcium Channel BlockerBlocks Ca+ flow = Decreased Contraction + Decreased Conductivity = Decreased Demand for O2 --> Tx for angina & arrhythmias. -- Side Fx = Decreased BP, Brady Supply of O2 - usually from ACS (plaque or thrombus) - Can also come from vasoconstriction/acute blood loss/decreased O2/cocaine - Usually occurs in stages. Zone of Infarction Area of tissue necrosis = cells destroyed and replaced with scar tissue/ irreversible damage happens after complete occlusion for 15-20 minsQ-wave MI Wider and deeper abnormal Qwaves especially in the early am (because of adrenergic activity); Infarction prolonged & turns into necrosis - Indicates transmural