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What is the first negative after a p wave in a normal cardiac cycle?
The first negative deflection after a P wave in a normal cardiac cycle is the Q wave, which is part of the QRS complex. The Q wave represents the initial depolarization of the interventricular septum and is typically a small downward deflection. It is followed by the R wave (upward deflection) and then the S wave (downward deflection), completing the QRS complex that corresponds to ventricular depolarization.
How you calculate deflection of a dial gauge of least count 01mm?
To calculate the deflection of a dial gauge with a least count of 0.01mm, you read the measurement indicated by the needle on the dial gauge after it has been set to the initial position. The deflection is the difference between the initial reading and the final reading on the dial gauge. Deflection = Final reading - Initial reading.
Why is the q wave negative?
The Q wave is often negative because it reflects the depolarization of the interventricular septum from left to right in the heart, resulting in an initial negative deflection on the electrocardiogram. This is a normal finding in most individuals and is considered a part of the normal electrical activity of the heart.
How can you find deflection angle with the help of coordinates?
To find the deflection angle using coordinates, you first need the coordinates of the initial and final points of the line segment. Calculate the direction vectors by subtracting the coordinates of the initial point from the final point, resulting in a vector. Then, use the arctangent function to determine the angle of this vector relative to a reference direction (like the x-axis). The deflection angle can be found by subtracting the angle of the initial vector from the angle of the final vector.
Can the initial velocity be negative in a physical system?
Yes, the initial velocity can be negative in a physical system.
What is the most frequent initial rhythm witnessed in sudden cardiac arrest?
The most common abnormal heart rhythm preceding cardiac arrest is ventricular fibrillation. In this dysrhythmia, the ventricular walls contract randomly and rapidly, and do not effectively pump blood.
How many joules should a defribrillator be placed at?
A defibrillator should typically deliver an initial energy of around 150-200 joules for ventricular fibrillation, and up to 360 joules for refractory ventricular fibrillation or pulseless ventricular tachycardia. The specific energy level will depend on the device and the patient's condition.
What kind of feedback mechanism is it when it causes the initial stimulus to decline?
negative feedback
Why is the deflection in the galvanometer reversed when the magnet is moved in and out in a solenoid?
When the magnet is moved into the solenoid, the change in magnetic field induces an electric current in the solenoid. This induced current then creates a magnetic field that opposes the initial magnetic field created by the permanent magnet. This opposing magnetic field causes the galvanometer deflection to be reversed.
Are food service facilities provided electrical power and potable water after the initial phase is completed?
Negative, during the initial phase
When is displacement negative in a physical system?
Displacement is negative in a physical system when an object moves in the opposite direction of its initial position.
Is it possible for displacement to have a negative value?
Yes, displacement can have a negative value if an object moves in the opposite direction of its initial position.
