Which are the most important factors determining the magnitude of the pulse pressure?

Q: A.) The sounds of Korotkoff are the sounds of : B.) You have several blood pressure readings using…

A: Blood pressure is defined as the pressure exerted by the flow of blood on the walls of the arteries…

Q: Estimate the ejection fraction of the failing heart at a typical normal end-diastolic volume?

A: Ejection fraction estimation - It is the measurement of the amount of blood pump from left ventricle…

Q: Given the following cardiac performance data, Cardiac output (CO) 5 5400 mL/min Heart rate (HR) 5 75…

A: Introduction: Ejection fraction is a method for quantifying cardiac contractility. It has a value…

Q: What do ECGs measure?

A: During heart diagnostics, doctors often suggest going through an ECG (Electrocardiogram). It is a…

Q: Define Starling law of the heart

A: The heart is the blood regulating organ of the body. It contains pericardial walls and blood vessels…

Q: A 55-year-old female has an arterial blood pressure reading of 155/95 mm Hg. What are her pulse…

A: Blood Pressure - It is the pressure exerted by the blood on the walls on the blood vessles as it…

Q: What is the pacemaker potential due to, and what is its inherent rate?

A: The rhythm of the heart is normally determined by a pacemaker site called the sinoatrial (SA) node…

Q: A person’s cardiac output is 7 L/min and mean arterial pressure is 140 mmHg. What is the person’s…

A: The mean arterial pressure defines the average volume of blood present in the blood vessels which is…

Q: What factors enhance venous return during exercise?

A: Venous return refers to the flow of blood from the periphery to the right atrium of the heart…

Q: What is the diff erence between pressure reservoirs and blood reservoirs? Why is each important?

A: Blood is a body fluid that carries necessary nutrients and oxygen to the cells and transports…

Q: If a woman’s mean arterial pressure is 85 mmHg and her systolic pressure is 105 mmHg, what is her…

A: Introduction:Blood pressure is the pressure exerted by the blood on the walls of the arteries.…

Q: Mean arterial pressure is determined by (A) adding the systolic pressure to diastolic pressure and…

A: Mean arterial pressure tells if the pressure in arteries is enough to drive blood into tissues…

Q: Which determinant of resistance is varied physiologically to alterblood flow?

A: To answer this question we should have knowledge of Physiology.

Q: What is the end-diastolic volume (EDV)?

A: The heart pumps blood through a system of blood vessels, called the circulatory system. The heart is…

Q: Which are the major factors responsible for limiting the increase in stroke volume?

A: Contraction of heart muscle by compression of ventricles ejected a small volume of blood in…

Q: What are normal values for systolic, diastolic, and mean arterial pressures in young adult males?…

A: In adult male the range of systolic BP 100–179 mmHg;  Diastolic BP 60–139 mmHg;  Mean arterial…

Q: What is the concept of Cardiac Output Max, Cardiac Output Rest, and Cardiac Output Reserve?

A: The heart, which pumps blood, is a crucial organ. All parts of the body receive oxygen and nutrients…

Q: The Arterial pO2 is relatively low in an individual suffering from congestive heart failure because

A: The arterial pO2 is relatively low in an individual suffering from congestive heart failure because…

Q: What is the relationship between the pulse and the vasculature?

A: Pulse : it refers to the rhythmic expansion and contractions of the arteries when blood is pumped…

Q: How do you find the time duration (in ms) for each region of the PQRST in ECG

A: To  find the time duration (in ms) for each region of the PQRST in ECG, you can use the following…

Q: What are the values of pressure inside heart chambers?

A: The circulatory system is also known as the cardiovascular system or the blood-vascular system. This…

Q: What is the pacemaker potential due to, and what is its inherent rate?

A: The human heart has four chambers. The human heart is myogenic and does not require a neuronal…

Q: List four factors that may affect pulse rate.

A: Introduction: Heart rate is also referred to as the Pulse rate. It is the number of times the heart…

Q: What are Korotkoff sounds? Which phases of Korotkoff sounds are recorded as systolic and diastolic…

A: The sounds which are heard (such as through a stethoscope) when measuring blood pressure (BP)…

Q: Define cardiac output (CO)

A: Cardiac output can be defined as the volume of blood heart pumps per unit of time. It can be…

Q: Define pulse pressure

A: The heart is divided into a right and a left side along its midline, both the chambers in turn are…

Q: How long does a 12 lead ECG take?

A: ECG:An electrocardiograph(ECG) is nothing but a voltmeter that records the changes in the electrical…

Q: What are the three types of ECG leads?

A: As the heart undergoes depolarization and repolarization, electrical currents spread throughout the…

Q: With atherosclerosis, what happens to resistance and flow? 1) resistance decreases, flow increases O…

A: Step 1 Atherosclerosis is also known as atherosclerosis. It is also called “hardening of arteries”.…

Q: Why is Sinus bradycardia often normal in athletes?

A: The average heart beat of a human at rest is about 60-100 beats per minute(bpm). Bradycardia is a…

Q: List four factors that may affect pulse rate.

A: The heart is an important component of the cardiovascular system. It assists in the circulation of…