Define bradycardia

Q: Describe the autonomic innervation of the heart.

A: The heart is innervated by sympathetic and parasympathetic fibres from the autonomic branch of the…

Q: Explain how an action potential occurs in cardiac contractile fibers.

A: The automatic rhythmicity of the heart is its ability to contract spontaneously and at regular rate.…

Q: Explain the electrical and mechanical events in the cardiac cycle, including their relationship to…

A: The sequence of events performed by the heart from one heartbeat to the commencement of next is…

Q: Define the term vasoconstriction?

A: Blood vessels including arteries, capillaries, and veins can constrict and dilate to facilitate body…

Q: Interpret Ventricular tachycardias from ECG with graph

A: The function of the electrocardiogram(ECG) is to trace the electrical activity of the heart. In a…

Q: How does a change in vessel diameter affect peripheral resistance?

A: Blood vessels can be defined as the channels or the behavior through which blood is distributed to…

Q: Explain the process by which a large volume of fluid in thepericardial cavity decreases cardiac…

A: The process that defines the volume of blood that is ejected by the heart in a time period of one…

Q: In supraventricular tachycardia, the rhythm may originate from any of the following, except SA Node…

A: Arrhythmias are irregular rhythms that do not obey the typical sequence of events. They are divided…

Q: NAME this electrocardiogram pattern and EXPLAIN how this electrocardiogram may be caused.

A: ECG is used to check the condition of the heart. It is a graph made by the electrical signal…

Q: A person with a heart rate of 40 has no P waves but normal QRS complexeson the ECG. Explain?

A: PQRS are the heart waves, P wave shows the depolarisation and QRS impulse through ventricles.

Q: Explain the absence of peripheral pulses in ventricularfibrillation.

A: In the human circulatory system, the heart is considered the central organ that plays a significant…

Q: Explain Measurement of Cardiac Function?

A: BASIC INFORMATION  HEART  It is a muscular organ  It is present in a space in between the lungs…

Q: Explain the operation of the carotid sinus reflex and the aortic reflex.

A:

Q: What do tachycardia and bradycardia mean?

A: Bradycardia and Tachycardia are two forms of irregular heart rates or arrhythmias. These arrhythmias…

Q: Write the equation relating mean arterial pressure to cardiac outputand total peripheral resistance?

A: The cardiovascular system includes heart and blood vessels that work together to pump the oxygen…

Q: Identify the parts of the cardiac conduction system

A: The heart is the main organ of the human body that pumps oxygenated blood to the whole body and…

Q: Describe the electrical events of a normal electrocardiogram (ECG).

A: Electrocardiograms also called ECGs or EKGs is a simple diagnostic machine that check the…

Q: Define the terms contractility, preload, and afterload, and explain how these factors affect the…

A: Ans: Cardiac output: The heats efficiency is calculated by the volume of blood it pumps to the…

Q: Define mean arterial pressure, cardiac output, andperipheral resistance

A: The heart is a muscular organ that pumps blood through the blood vessels of the circulatory system…

Q: Predict the potential effects of right-sided heart failure (failure of the right ventricle to pump…

A: When the right side of the heart does not pump blood as properly, the right sided heart failure…

Q: Explain how vessel diameter influences blood pressure and flow.

A: Diameter of blood vessel  -  Vasodilation and vasoconstriction are also used antagonistically as…

Q: What is pulse amplitude in terms of cardiology?

A: Cardiology is a branch of medicine dealing with the study of diseases as well as abnormalities…

Q: Draw a normal ECG pattern. Label and explain the significance of its deflection waves.

A: Electrocardiogram (ECG) is diagnostic technique that is used to monitor the electrical activity of…

Q: Describe the components of the left atrioventricular valve.

A: The heart has four chambers: right atrium, right ventricle, left atrium, and left ventricle. The…

Q: Using one type of dysrhythmia as an example, explain howcardiac output may be reduced.

A: The clinical condition involving abnormal speed rhythm of the heart refers to dysrhythmia. It is…

Q: what type of individualis likely to have bradycardia at rest?

A: Heart rates can vary from person to person. For adults, a fast heart rate is generally defined as a…

Q: Define ECG

A: Heart is the muscular pumping organ of the circulatory system. It is present in the mediastinum…

Q: Give two reasons why the Purkinje fibres are faintly stained compared with ordinary cardiomyocytes

A: Purkinje fibres are excitable cells or fibres present in the inner ventricle wall of heart. They are…

Q: Describe the control of cardiac function by the autonomic nerves

A: ANS ( Autonomic Nervous system ) is responsible for controlling many physiological functions…

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: Describe the control of heart rate during and afterexercise.

A: Heart - heart is a body organ which pumps blood through blood vessel to the circulatory system.…

Q: Define Ventricular Tachycardia?

A: Introduction  Heart is highly muscular in nature and composed of smooth cardiac muscles which are…

Q: Define Ventricular Fibrillation?

A: The human heart is four-chambered. It has two auricles and two ventricles. The auricles pump blood…

Q: High-pressure environments have a profound effect on the cardiopulmonary system. What are they?

A: Cardiopulmonary is a combination of two words that is cardio and pulmonary. Cardio means heart and…

Q: What does the treatment of symptomatic bradycardia include?

A: An abnormal condition includes a decrease in the heart rate from the normal rate that is 60 beats…

Q: Define the term Absolute shunt?

A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and…