Cardiovascular disorders.
The most frequent mechanism of auricular flutter production is related to?: a) Abnormal automatism. b) Macroreentrant circuit in right atrium. c) Microreentrant circuit. d) After initiation of an antiarrhythmic drug. e) Complication of an acute myocardial infarction....
Type A. Ticagrelor is a drug used in acute coronary syndrome due to: a) Direct inhibitor of thrombin. b) Inhibits the glycoprotein IIaIIIb. c) It is a selective inhibitor of Xa factor. d) Loading dose is 60 mg followed by 10 mg/day. e) Antiplatelet drug inhibitor of P2Y12....
Type A. Continuous pressure and ECG monitoring as shown in the image represents?: a) Pulmonary artery pressure. b) Right ventricular pressure. c) Left ventricular pressure. d) Aortic pressure in the descending aorta. e) Left atrial pressure....
a) Decrease the rate of cyclic adenosine monophosphate (AMP) degradation. b) Increase in cyclic AMP concentration leading to enhanced calcium influx into the cell. c) Systemic arterial and venous dilation via inhibition of vascular phosphodiesterase. d) Increase the sensitivity of the myocardial contractile apparatus to calcium. e) Decrease in myofilament tension development and myocardial compliance....
During resuscitation in a cardiac arrest?: a) Ventricular fibrillation is the most common initial rhythm identified: TRUE/FALSE. b) Ventricular fibrillation is a positive predictor of survival:TRUE/FALSE. c) To restore myocardial perfusion is the primary goal in cardiopulmonar resuscitation: TRUE/FALSE. d) The initiation of thrombolytic therapy in the prehospital setting improves patient outcome: TRUE/FALSE....