14 Questions
What is the characteristic of P wave in lead II in right atrial enlargement?
P wave is tall and peaked
What is the cause of left atrial enlargement?
Mitral stenosis
What is the characteristic of right ventricular enlargement?
Tall R in V6 and deep S in V1
What is the cause of right ventricular enlargement?
Pulmonary hypertension
What does a pathological Q wave indicate?
Necrosis
What is the characteristic of first-degree heart block?
Fixed prolonged PR interval
What is the characteristic of Mobitz type 2 phenomenon?
Regular rhythm with a fairly constant PR interval
What is the characteristic of third-degree heart block?
Complete heart block
What is the characteristic of the PR interval in complete heart block?
Variable PR intervals
What is the rate of the QRS complex in complete heart block?
36/min
What is the origin of the rhythm in sinus rhythm?
SA node
What is the characteristic of the QRS complex in sinus rhythm?
Normal shape
What is the characteristic of the P wave in atrial rhythm with a rate of 250/min?
Difficult to discern from T waves
What is the characteristic of the ventricular rate in 2:1 block?
Half of the atrial rate
Identify the characteristics of right and left atrial enlargement on an electrocardiogram (ECG) and the causes of these conditions. Learn to recognize the signs of right ventricular enlargement and its causes.
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