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3 causes for Fetal shunt closure - 1. increase in aterial oxygen tension 2. decreased prostaglandins 3. decreased adenosine levels When does the Ductus Arteriosus close? - within 10-24 hours of birth When does the Foramen Ovale Close? - When LA pressure exceeds RA pressure (can stay open for 6m...

A 56 yr-old male is admitted to the ICU with a blood pressure of 225/135 and complains of a headache and nausea. He reports he ran out of blood pressure meds three days ago, but also appears to be confused to the date and situation. What is the most appropriate treatment approach? - Rapidly lower...

Which of the following would be the earliest auscultatory finding in left ventricular failure (LVF)? A. Crackles B. S3 C. Murmur of mitral regurgitation D. Pericardial friction rub - B. S3 LVF would be the most subtle because early changes are usually subtle changes. Choose "S3." A patient...

"high dose" dopamine causes vasoconstriction and (C) Increase afterload - What is the primary hemodynamic effect of: Dopamine >10 mcg/kg/min (A) Increase preload (B) Decrease preload (C) Increase afterload (D) Decreased afterload (E) Increase contractility (D) Decrease contractility Pu...

The nurse is caring for a patient with acute inferior wall MI, post-coronary artery stent deployment. For optimal care of the patient, the nurse should: a) administer an analgesic for acute back pain b) Apply pressure dressing to groin c) Continuously monitor the patient in lead II d) Maintain ...

ADH - CORRECT Phenytoin inhibits _______ secretion Right - CORRECT Most episodes of aspiration result in (right/left) lung infiltrates. urine creatinine clearance - CORRECT Best indicator of GFR Auto-PEEP - CORRECT In a vented patient with status asthmaticus, check for _______________ Air trapp...

One day following posterior spinal fusion surgery a 35 year old female suddenly exhibits restlessness, labored breathing and acute chest pain. Her heart rate is 122/min., she is afebrile, and exhibits slightly diminished breath sounds on the right side. The findings described above should lead th...