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Ch 6

Ch 6 and Ch 8

QuestionAnswer
What is the bpm with Sinus bradycardia? less than 60 bpm
What would cause Sinus bradycardia? weakened or damage SA node, severe or chronic hypoxemia, increase intracranial pressure, sleep apnea, and certain drugs
What is the bpm with Sinus tachycardia? Greater than 100 bpm
What would cause Sinus tachycardia? Stress and exercise
What are the abnormal causes for Sinus tachycardia? Hypoxemia, severe anemia, hyperthermia, massive hemorrhage, pain, fear, anxiety, hyperthyroidism, and sympathomimetic or parasympatholytic
What does the heart rate do during Sinus arrhythmia? it varies by more than 10% from beat to beat
What does the P wave do in Atrial flutter and what does it look like also? It is absent and is replaced with to or more saw-tooth waves
what is the rate of bpm in atrial flutter? 250 to 350 bpm
What are the causes for atrial flutter? hypoxemia, damaged SA node, and congestive heart failure
Where is atrial fibrillation found? In sleep apnea
What is the bpm in atrial fibrillation? 350 to 750 bpm
What does the Q,R,S look like in premature ventricular contractions? Q,R,S is wide, bizarre, and unlike normal.
What are the causes of premature ventricular contractions? intrinsic myocardial disease, hypoxemia, acidemia, hypokalemia, and congestive heart disease
What does the P.Q,R,S, and T complex look like in ventricular tachycardia? P wave indiscernible, and QRS complex is wide and bizarre, and T wave may not be separated.
What is the ventricular rate in ventricular tachycardia? 150 to 250 bpm
What medicines are giving during ventricular tachycardia and are they a medical emergencies? It varies between pulse or no pulse, and both are a medical emergency.
What happens to the cardiac output and blood pressure during ventricular fibrillation? There is no cardiac output or blood pressure
How log does the patient have during ventricular fibrillation? The patient will die within minutes without treatment
During asystole (cardiac standstill), will electrical shock work and if not what will? Electrical shock will not work, CPR and ALCS medication are needed.
How can hemodynamics be assessed? Perfusion state, heart rate, pulse rate, and blood pressure
How can intracardiac pressure and flow, arterial pressure, and central venous pressure be monitored? Pulmonary artery catheter, arterial catheter, and central venous pressure
What is a Pulmonary Artery Catheter (Swanz-Ganz)? A balloon-tipped flow-directed catheter that is inserted at a patient's bedside.
What does the Swanz-Ganz measure and how? rt arterial pressure (proximal port), pulmonary arterial pressure (distal port), left arterial pressure (pulmonary capillary wedge pressure), and oxygenation levels
Hemodynamics=COPD CVP=up, RAP=up, PA=extreme up, PCWP=unchanged, and CO=unchanged
Hemodynamics=Pulmonary edema CVP=unchanged, RAP=up, PA=up, PCWP=extreme up, and CO=down
What is the Hemodynamics value and their normal? CVP=0-8 mm Hg, RAP=0-8 mm Hg, PA=10-20 mm Hg, PCWP=4-12 mm Hg
What does the arterial catheter (A-line) allow? Continuous and precise measurements of systolic, diastolic, and mean blood pressure, accurate information regarding fluctuations in blood pressure, and guidance in the decision to up-regulate or down-regulate therapy.
What does the Central venous pressure catheter severe as? An excellent monitor of right ventricular function
What patients have an increase CVP reading? left ventricular heart failure, receiving excessively high positive-pressure mechanical breaths, cor pulmonale, and severe flail chest, pneumothorax, or pleural effusion
Created by: williams71