Paramedic Fisdap Final 100% correct answers

Paramedic Fisdap Final 100% correct answers Percutaneous transtracheal ventilation needle cricothyrotomy what changes in blood gases occur when a patient is hyperventilating? decreased CO2; increased PaO2 what is the primary danger to the infant during a precipitous delivery? Cerebral Trauma Preload stretching prior to contraction Afterload resistance ventricle of the heart has to overcome to eject blood Chronotropy heart rate inotropy how hard the heart contracts isotropy ... automaticity cells ability to spontaneously depolarize atherosclerosis gradual blockage of an artery by cholesterol and hardened deposits syncope ... which vessel provides blood supply to the SA and AV nodes in most patients? right coronary artery Impulses that originate in both the atria and ventricles simultaneously, meeting somewhere in the heart, create a strange appearing complex. What is that complex known as? Fusion beat ectopic beat a heartbeat occurring outside the normal rhythm what are the most common causes of premature atrial contractions? Stimulants such as caffeine or tobacco electrical axis of the heart mean direction of the action potentials traveling through the ventricles