Essays on Qrs Complex

Monomorphic Ventricular Tachycardia

Cardiac arrhythmias often require immediate medical care that may include resuscitation (Ray, 2004). The diagnosis of cardiac arrhythmias can be challenging particularly in situations whereby the patient is asymptomatic and ECG findings are normal between symptomatic episodes (Cruickshank, 2008). Distinguishing between supraventricular and ventricular tachycardia is also a challenge (Australian Resuscitation Council, 2008). Cardiac arrhythmia should be suspected in patients with a history of syncope, near syncope, palpitations, and/or chest pain (Cruickshank, 2008). This paper will justify why monomophic ventricular tachycardia is the most likely diagnosis of a male patient who collapsed abruptly and has hypotension (BP 63/38), tachycardia ( ...

Define the measurement of both the small and larger divisions on the graph paper used for rhythm strips.

The smaller box measures 1 mm in width and is equal to 0.04 seconds. The larger box is made of 5 smaller boxes, making it 5 mm in width and is equal to 0.20 seconds.

Describe the methods used to calculate the heart rate of a rhythm strip.

Using a caliber, measure the distance between two R waves. Then, keeping that measurement on the caliber, measure each R to R interval to make sure they are all equal. If all the QRS complexes are of equal distance between each other, measure the number of small boxes between the R waves and divide this number into 1500. If the rhythm is ...

Explain the pathophysiology of the impulse origin and the electrical impulse pathway that is associated with the following rhythms:

Normal sinus rhythm In NSR, there is normal conduction of the sinus impulse through the atria and ventricles. The impulse is generated from the sinoatrial node and is delivered through the atria. Once past the atria, the pulse reaches the AV node where it pauses before continuing through the ventricles. From there the impulse is conducted through the ventricles via bundle branches and Purkinje fibers.

Junctional rhythm

During a junctional rhythm, the SA node fails to fire. Cardiac cells all possess the ability of generating a pulse if the SA node were to fail. The rhythm is typically created within or near ...