Cardiology fisdap stuvia - Study guides, Class notes & Summaries

Where are Beta 1 receptors found? - ANSWER Heart and Kidneys Stimulation of Beta 1 receptors result in an increase of what? - ANSWER Heart: Inotropy, Chronotropy, Dromotropy Kidneys: Renin-Angiotensin-Aldosterone System = Vasoconstriction = Increase blood pressure Which node is located at the junction of the superior vena cava and the right atrium, is typically supplied by the Right Coronary artery, and fires at a rate of 60-100 bpm. - ANSWER SA Node Atrial depolarization characteriz...

A 61 y/o M with chest pain took one dose of nitroglycerine prior to your arrival. He has experienced no relief. Vital signs are BP 88/44, P 58, R 22. What should you do? a. assist with the administration of aspirin b. apply oxygen c. transport immediately d. administer a second dose of nitroglycerine - Answer a. assist with the administration of aspirin He is hypotensive and doesn't meet the requirements for additional nitroglycerine. It is important to administer aspirin early when yo...

pericardial friction rub - to and fro sound inbetween systole and diastole (due to pericarditis) - ANSWER Divisions of Left Main Coronary Artery (LMCA) - ANSWER Left Anterior Descending & Circumflex coronary artery Left Main Coronary Artery supplies what? - ANSWER Left Ventricle, Interventricular Septum, Part of Right Ventricle Right Coronary Artery supplies what? - ANSWER Right Atrium, Right Ventricle, Part of Left Ventricle Diastole - ANSWER Period when ventricles relax and are pa...

A 44-year-old man reports dizziness and lightheadness. His BP is 88/26 mm Hg, his heart rate is 190 beats per minute and weak. His skin is cool clammy and pale. Why is his BP low? - ANSWER decreased ventricular timing Switching compressors during two-rescuer CPR: - ANSWER should occur every two minutes throughout the arrest Stable angina - ANSWER chest pain that occurs when a person is active or under severe stress Unstable angina - ANSWER chest pain that occurs while a person is at res...

pericardial friction rub - to and fro sound inbetween systole and diastole (due to pericarditis) - Answer Divisions of Left Main Coronary Artery (LMCA) - Answer Left Anterior Descending & Circumflex coronary artery Left Main Coronary Artery supplies what? - Answer Left Ventricle, Interventricular Septum, Part of Right Ventricle Right Coronary Artery supplies what? - Answer Right Atrium, Right Ventricle, Part of Left Ventricle Diastole - Answer Period when ventricles relax and are pa...

Intrinsic rates - ANSWER SA node - 60 - 100 bpm AV junction - 40 - 60 bpm Purkinje network - 20 - 40 bpm Lidocaine doses - ANSWER 1-1.5 mg/kg, second dose 0.5-0.75 mg/kg Unstable VT tx - ANSWER Should be treated with synchronized cardioversion Hypotension, decreased LOC, shock, chest pain Stable VT tx - ANSWER IV/IO Adenosine 6mg; 12mg (followed by rapid saline flush) If ineffective, procainamide (20-50mg/min or amiodarone (150mg IV/10min) Consider antiarrhythmic infusion Defi...

hypertensive crisis - Answer sudden increase in bp acute coronary syndrome cause - Answer one cause could be build up of calcium and cholesterol from plaque inside a blood vessel oriented female indigestion bp: 180/90 pr: 116 irregular rr: 24 regular - Answer myocardial infarction 57 yr female chest pain epigastric area - Answer assess breathing sudden onset of TEARING chest pain ABSENT RADIAL PULSE on right arm hx of high BP - Answer aortic dissection hx of congenital hea...

Cardiac Arrest Treatment - ANSWER Rapid CPR and early application of an AED. Maintain open airway, apply high concentration of oxygen, non rebreather mask. Dyspnea - ANSWER Shortness of breath, labored or difficulty breathing. AED Indications - ANSWER Pulseless Not Breathing Unresponsive AED Use - ANSWER AED says "analyzing" do not touch patient. Chest Pain - ANSWER Administer Oxygen AED Shockable Rhythms - ANSWER V-Tach V-Fib Acute Myocardial Infarction - ANSWER Often...

A 54 year old male complains of chest tightness after raking leaves for a hour. The pain subsided after he rested and took two nitro tablets. He has had very similar episodes on the past. He is most likely experiencing? - ANSWER Angina pectoris A 36 year old female with a history of congenital heart defects is slow to respond. She has pale, cool, and clammy skin. Vital signs are BP 68/30, P 128, R 26. What should you suspect? - ANSWER Cardiogenic shock What valve controls blood flow betwee...

The AED gives "no shock" message to a patient who is in cardiac arrest. You should? - ANSWER resume chest compressions Which interventions would have the MOST positive impact on a cardiac arrest patient's outcome? - ANSWER Early CPR and defibrillation What is the max amount of time that should be spent checking for spontaneous breathing in an unresponsive child? - ANSWER 10 seconds When performing CPR on an adult, you should compress the chest to a depth of ____ at a rate of _____? -...