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Table 2 Frequency (%) of different symptoms and changes regarded as pathologic on ECG in patients with an abnormal ECG (n = 166)

From: Cardiac involvement in Caucasian patients with pulmonary sarcoidosis

Symptoms

Palpitations

18.1

 

Pre-syncope

2.4

 

Syncope

3.6

Pathologic changes

Atrioventricular block

9.6

 

Right bundle branch block

13.9

 

Incomplete right bundle branch

 

Block

4.2

 

Left bundle branch block

2.4

 

Left anterior fascicular block

13.9

 

Unspecific bundle branch block

1.2

 

Premature ventricular contractions

15.1

 

Atrial flutter

1.8

 

Pathologic Q waves and ST-T changes

44.6