Cardiovascular System
50 questions available
Questions
What is the approximate volume of serous fluid typically found in the pericardium, which permits the contractile action of the heart?
View answer and explanationWhich term is defined as the amount of pressure the heart needs to exert during ventricular contraction?
View answer and explanationWhat is the normal time interval for the PR interval on a telemetry strip, representing the time from atrial to ventricular depolarization?
View answer and explanationA tachycardic rhythm is defined as a heart rate greater than how many beats per minute (bpm)?
View answer and explanationSinus bradycardia is characterized by a heart rate of less than how many beats per minute (bpm)?
View answer and explanationWhat is the classic feature of a Mobitz I second-degree heart block on a telemetry strip?
View answer and explanationAtrial fibrillation (AFib) is considered 'rate controlled' when the heart rate is within what range?
View answer and explanationWhat is considered the normal range for a left ventricle's ejection fraction in a healthy heart?
View answer and explanationWhat is the normal level for serum brain natriuretic peptide (BNP), a key laboratory test used in diagnosing heart failure?
View answer and explanationWhich type of heart failure develops when the left ventricle muscle is damaged and weak, and can no longer pump enough blood through the body?
View answer and explanationAccording to Table 12.4 Classification of Blood Pressure, what systolic and diastolic readings define Stage I hypertension?
View answer and explanationWhat is a common, unpleasant side effect associated with the use of ACE inhibitors for treating heart failure that may require a change in medication?
View answer and explanationTo maximize perfusion outcomes from a myocardial infarction, evidence-based practice recommends activating the emergency medical system to assist with an angioplasty intervention within what time window from the onset of chest pain?
View answer and explanationWhat is the key diagnostic difference between an ST-elevated myocardial infarction (STEMI) and a non-ST-elevated myocardial infarction (NSTEMI)?
View answer and explanationThe Society for Vascular Surgery recommends annual monitoring for abdominal aortic aneurysms (AAAs) measuring within what range?
View answer and explanationIn peripheral arterial disease, what is the term for leg pain experienced during ambulation that is caused by a perfusion defect from narrowed arteries?
View answer and explanationWhat does the P wave on an ECG represent?
View answer and explanationWhen calculating heart rate from a telemetry strip with a regular rhythm by counting the number of small boxes between R-to-R complexes, what constant number is used for division?
View answer and explanationWhat is the primary distinguishing feature of a premature ventricular contraction (PVC) on an EKG compared to a premature atrial contraction (PAC)?
View answer and explanationIn the event of pulseless ventricular fibrillation, what is the initial and most critical nursing intervention to maximize the chance of survival?
View answer and explanationWhat is the mortality rate associated with asystole?
View answer and explanationA weight gain of how many pounds in a 24-hour period is considered suggestive of a heart failure exacerbation?
View answer and explanationWhich condition is a non-modifiable risk factor for hypertension?
View answer and explanationWhat is the minimum duration a patient should refrain from eating or smoking prior to having their blood pressure measured to ensure an accurate reading?
View answer and explanationWhich coronary artery is primarily responsible for perfusing the anterior wall of the heart, the septum, and the lateral anterior wall?
View answer and explanationWhat is the recommended single dose of aspirin for platelet aggregation in a patient with a high suspicion of myocardial infarction?
View answer and explanationRevascularization with a surgical carotid endarterectomy (CEA) is indicated for symptomatic blockages of what percentage range?
View answer and explanationWhat type of ulcer, often found on the medial or lateral distal part of the leg, has a shallow depth, irregular shape, and may be painless?
View answer and explanationWhat is the primary function of the mitral and tricuspid valves in the cardiac cycle?
View answer and explanationIn an EKG, a QRS duration greater than what value is considered abnormal and 'wide'?
View answer and explanationAn ectopic beat that occurs on every third beat is known by what term?
View answer and explanationIn a third-degree heart block, the ventricular tissue acts as the pacemaker. What is the typical intrinsic rate of the ventricular tissue?
View answer and explanationWhat is the primary purpose of performing a transesophageal echocardiogram (TEE) prior to cardioverting a patient with an atrial dysrhythmia?
View answer and explanationWhat percentage of individuals with atrial fibrillation also have heart failure (HF)?
View answer and explanationWhich class of medication is specifically recommended as part of the initial therapy for hypertension in the Black population, with or without diabetes, according to JNC 8 guidelines?
View answer and explanationWhat is the term for the widespread, systemic hardening of the arteries?
View answer and explanationWhat is the term for the initial stretch of the cardiac cells prior to contraction or ventricular filling?
View answer and explanationWhat is the primary cause of a ruptured Abdominal Aortic Aneurysm (AAA) manifesting as a pulsation in the stomach with pain?
View answer and explanationWhat is the primary purpose of using an ankle-brachial index (ABI) test?
View answer and explanationWhich characteristic is more typical of an arterial ulcer compared to a venous ulcer?
View answer and explanationWhat is the definition of cardiac activity ceasing due to the termination of electrical conduction, also known as 'flatline'?
View answer and explanationWhich factor is identified as the most significant risk factor for developing Heart Failure (HF)?
View answer and explanationFor a patient in hypertensive urgency, blood pressure readings may rise as high as what level?
View answer and explanationWhat is the primary physiological consequence of a coronary artery bypass graft (CABG) surgery?
View answer and explanationWhen assessing the carotid pulse, why must a nurse avoid occluding the diseased artery?
View answer and explanationWhat is the compression rate recommended for high-quality CPR?
View answer and explanationDiastolic heart failure, a type of left-sided heart failure, is characterized by what change in the ventricle?
View answer and explanationWhat is a primary clinical manifestation of right-sided heart failure?
View answer and explanationHow long must a patient who has undergone an angiography typically lie flat post-procedure to reduce the risk of bleeding from the femoral artery puncture site?
View answer and explanationWhat is the primary pathophysiological event in an ischemic stroke?
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