Medical Surgery - Cardiac QUESTIONS AND ANSWERS

Medical Surgery - Cardiac What is unstable angina - Angina that is not relieved by taking away the stressor How do we treat angina - - have them lie or sit down on a stretcher to decrease demand for oxygen. - Take oxygen first then nitro - Take nitro every 5 mins 2 times and then call doctor. - Take the third one way to the hospital What order do we perform MONA - - Oxygen - Aspirin - Nitro - Morphine What is the after load vs pre load - Define Afterload - - amount of pressure needed to pump out of the heart into the body What is preload - - Amount of blood left in the heart after contraction - Gas in the tank What is stroke volume - the amount of blood pumped out of the heart after 1 min What is going on with the heart when the ejection fraction/stroke volume decreased - your bp and perfusion are lower because less blood is perfused through the tissue what does a patient look like with a low ejection fraction - they are pale to blue, cool, tissues are taking as much oxygen as possible becase they dont know when they will see it again What are the labs drawn for heart failure or MI - Troponin CK MB C How long does troponin and CK MB stay in your system - - Troponin - 14 days - CK MB - 24-48 hours What is our cholesterol made out of 3 things - HDL, LDL, Triglycerides What is the treatment for bradycardia - - Pacemaker - Atropine What are the signs