Myocardial Infarction (MI) An ischemic event affecting cardiac tissue Cardiac muscle is dying due to insufficient supply of oxygen Causes Most commonly a thrombotic event which occurs at the site of preexisting plaque causing a complete blockage of an artery. Vasospasm … [Read more...]
S2 E019 Ischemia
Ischemia An insufficient supply of oxygen that leads to tissue damage or death Causes Atherosclerosis Constriction of arteries Emboli Bleeding ( low blood volume) Risk Factors Stress Atypical increase in activity Male Increasing age Smoking … [Read more...]
S2 E018 Endocarditis, Pericarditis and Tamponade
Endocarditis Endocarditis is an infection of the cardiac tissue The most common pathogens Strep viridans Staph aureus Enterococci Get the diagnosis flow sheet here (sorry this is no longer available) Risk Factors Prior endocarditis Damaged heart tissue … [Read more...]
S2 E017 CHF and Hypotension
Hypotension Low blood pressure Orthostatic hypotension – a decrease in systolic BP of 20 mm Hg or a decrease in diastolic blood pressure of 10 mm Hg when going from lying to sitting or sitting to standing. Significant cause of syncope and falls in elderly patients Causes … [Read more...]
S2 E016 Hypertension Medications
Joint National Committee on the Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC) JNC 8 recommends using thiazide diuretics, calcium channel blockers, ace inhibitors or angiotensin II receptor agonists as monotherapy or in combination as first line treatment of … [Read more...]
