Sinus Node Rhythms and Arrhythmias: Difference between revisions

Sinus Node Rhythms and Arrhythmias (view source)

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 ==Interpretation of the heart rhythm==
+A good stepwise approach to interprete the heart rhythm is to follow these steps:
+# '''Cherchez le P''', French for ''find the P waves''.
+** Do you see P waves? Leads II and V1 are often most suitable to find P waves.
+** What is the [[rate]] of the P waves?
+** What is the [[P wave morphology]]?
+# What is the relationship between P waves and QRS complexes?
+** Is every P wave followed by a QRS complex? And every QRS preceded by a P wave? In short: is there a 1:1 relation between P waves and QRS complexes?
+** What is the [[Conduction|PR interval]] and does it change?
+# What is the ventricular [[heart rate]]?
+# What is the [[QRS morphology]]?
+# What is the clinical setting?
 ==Sinus arrhythmias==