First Degree Heart Block
Defined as PR interval > 200ms, commonly caused by AV nodal blocking drugs
Tag First-degree block
ECG Conduction Blocks
Assessment, interpretation of ECG Conduction Blocks including first-degree, second-degree, third-degree, fascicular blocks - ECG Library
PR Interval
Assessment / interpretation of the EKG PR interval. ECG PR interval is the time from the onset of the P wave to the start of the QRS complex.
Hypothyroidism
ECG features of hypothyroidism (myxoedema) main triad: Bradycardia; Low QRS voltage; Widespread T-wave inversion