CCRN Domain 1: Cardiovascular Welcome to your CCRN Domain 1: Cardiovascular 1. CCRN: Cardiovascular In a patient with acute myocardial infarction (AMI), which of the following biomarkers is most indicative of cardiac tissue death when elevated? Creatine kinase-MB (CK-M B) Myoglobin Troponin C-reactive protein (CRP) None 2. CCRN: Cardiovascular In the context of cardiogenic shock, which hemodynamic parameter is primarily expected to be elevated? Cardiac output Systemic vascular resistance (SVR) Pulmonary capillary wedge pressure (PCWP) Left ventricular ejection fraction (LVEF) None 3. CCRN: Cardiovascular What is the first-line pharmacological treatment for a patient diagnosed with acute decompensated heart failure (ADHF) exhibiting signs of volume overload? Beta-blockers ACE inhibitors Loop diuretics Calcium channel blockers None 4. CCRN: Cardiovascular Which hemodynamic change is most commonly seen in a patient with acute right ventricular (RV) myocardial infarction? Increased cardiac output Decreased central venous pressure (CVP) Elevated pulmonary artery systolic pressure Increased right ventricular end-diastolic pressure (RVEDP) None 5. CCRN: Cardiovascular When considering the administration of tissue plasminogen activator (tPA) in a patient with suspected acute ischemic stroke, which of the following is a critical exclusion criterion? Blood pressure of 180/100 mmHg Onset of symptoms 2 hours prior Age over 80 years History of intracranial hemorrhage None 6. CCRN: Cardiovascular In patients with mechanical heart valves undergoing non-cardiac surgery, which of the following anticoagulation strategies is most appropriate? Continue warfarin therapy without interruption Switch from warfarin to unfractionated heparin preoperatively Discontinue warfarin and start low molecular weight heparin (LMWH) Pause anticoagulation entirely 48 hours before surgery None 7. CCRN: Cardiovascular For a patient with suspected acute pericarditis, which ECG finding is most characteristic? ST elevation in all leads Pathological Q waves Prolonged PR interval Deep T-wave inversions None 8. CCRN: Cardiovascular Which of the following is a key indicator of worsening condition in a patient with left ventricular assist device 'LVAD' malfunction? Decreased pulsatility index Increased urine output Decreased lactate levels Increased central venous oxygen saturation (ScvO2) None 9. CCRN: Cardiovascular During the acute management of a patient with Takotsubo cardiomyopathy, what is the primary treatment focus? Rapid revascularization High-dose beta-blocker therapy Supportive care and monitoring Immediate anticoagulation None 10. CCRN: Cardiovascular A patient with hypertrophic cardiomyopathy (HCM) is at increased risk for which of the following complications? Aortic dissection Systolic heart failure Atrial fibrillation Venous thromboembolism None 11. CCRN: Cardiovascular In assessing a patient with acute inferior wall myocardial infarction (MI), which additional area is most important to monitor for involvement? Lateral wall Anterior wall Right ventricle Posterior wall None 12. CCRN: Cardiovascular Which parameter is most essential for determining the need for intra-aortic balloon pump (IABP) insertion in a patient with cardiogenic shock? Blood pressure Urine output Cardiac index Serum lactate None 13. CCRN: Cardiovascular In the context of aortic dissection, which imaging study is considered the gold standard for diagnosis? Transthoracic echocardiogram (TTE) Transesophageal echocardiogram (TEE) Computed tomography angiography 'CTA' Magnetic resonance angiography 'MRA' None 14. CCRN: Cardiovascular What is the most common cause of sudden cardiac death in adults under the age of 40? Aortic stenosis Myocardial infarction Hypertrophic cardiomyopathy Dilated cardiomyopathy None 15. CCRN: Cardiovascular In a patient with acute coronary syndrome, which of the following lab values is most predictive of increased mortality risk? Low-density lipoprotein (LDL) cholesterol High-density lipoprotein (HDL) cholesterol High-sensitivity C-reactive protein (hs-CRP) Brain natriuretic peptide (BNP) None 16. CCRN: Cardiovascular Which of the following is the preferred initial management strategy for a patient presenting with stable ventricular tachycardia? Immediate cardioversion Amiodarone infusion Observation with continuous ECG monitoring Intravenous beta-blockers None 17. CCRN: Cardiovascular For a patient post-cardiac arrest in a hypothermic state, which therapeutic intervention is most appropriate to optimize neurological outcomes? Rapid rewarming Immediate hyperventilation Therapeutic hypothermia High-dose corticosteroids None 18. CCRN: Cardiovascular In the evaluation of a patient with suspected endocarditis, which echocardiographic finding is considered diagnostic? Mitral valve prolapse Vegetation on a heart valve Left ventricular hypertrophy Pericardial effusion None 19. CCRN: Cardiovascular When assessing a patient with mitral regurgitation, which symptom is most indicative of advanced disease? Orthopnea Peripheral edema Angina pectoris Palpitations None 20. CCRN: Cardiovascular For a patient with suspected acute pericarditis, which ECG finding is most characteristic? ST elevation in all leads Pathological Q waves Prolonged PR interval Deep T-wave inversions None 1 out of 20 Time is Up! Time's up