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Is the foot distal or proximal to the heart?
Distal
How would you describe the flow of blood from the heart to the right thumb and back to the heart using the terms proximal distal medial and lateral?
The blood moves in a lateral direction to the distal right thumb. Then the blood comes back in a proximal direction toward the medial body, where the heart is located.
Are the kidneys distal to the heart?
No the kidneys are proximal to the bladder. The urethra is distal to the bladder.
When selecting an iv site you work distal to proximal?
Incorrect. When selecting an IV site, you typically start proximally (closer to the heart) and work distally (further away from the heart) for better flow and to preserve veins for future use.
What does an electrocardiogram record about the heart's electrical activity?
An electrocardiogram (ECG) records the heart's electrical activity, showing the heart's rhythm and any abnormalities in the heart's electrical system.
Are the toes distal to the knee?
It is proximal as the knee is closer to the median / midline of the body than the foot. The foot is distal. Distal suggests a structure being further away from the median plane or the root of the limb than another structure in the limb. Proximal refers to a structure being closer to the median plane or root of the limb than another structure in the limb
Does the electrical activity of the heart precede mechanical activity?
Yes. It is the electrical activity that stimulates the mechanical activity.
Why is defibrillation not effective when there is a total absence of venticular electrical activity in the heart?
When there is no electrical activity in the heart (asystole), the AED won't start the heart as drugs are required to start the heart. The AED will only re-set the heart from abnormal electrical activity (such as V-Tach or V-Fib).
What is the difference between an MRI and a EEG?
Both measure electrical activity -- the ECG in the heart and the EEG in the brain.An EEG is an electroencephalogram and an ECG also known as an EKG is an electrocardiogram. An EEG records brainwave/electrical activity. An ECG records the electrical activity that the heart produces.
What is recording of electrical activity of the heart?
Recording of electrical activity of the heart is called an electrocardiogram (ECG). It is a non-invasive test that measures the electrical signals that control the heart's rhythm and can help diagnose heart conditions such as arrhythmias, heart attacks, and abnormal heart rhythms. It is performed by placing electrodes on the skin that detect the electrical impulses of the heart.
How do you record the electrical activity of the heart?
You record the electrical activity of the heart with a machine called ECG machine. Leads are attached to the limbs and then you have chest leads put on the chest wall in different positions to produce a tracing of the electrical activity called electrocardiograph
What does ECG measure?
The electrical activity of the heart.
