Sandbox:Sahar

Bradycardia Differential Diagnosis

Bradycardia

Narrow complex

Wide complex

Regular

Irregular

Regular

Irregular

•Sinus bradycardia •Junctional bradycardia •Complete AV block (junctional escape) •Atrial flutter with high degree block

•Sinus arrhythmia, pause or arrest •Sinoatrial exit block (second degree) •AF with slow ventricular response •Atrial flutter with variable block •Second degree AV block, type I •Second degree AV block, type II

E03

F01

F02

G01

G02

G03

G04

H01

H02

H03

I01

I02

J01

J02

J03

J04

K01

K02

Common Causes of Sick sinus syndrome
'
'

Images

Contrast enhanced CT: Aortic intramural hematoma, Courtesy of radiopaedia

Contrast enhanced CT: Aortic intramural hematoma, Courtesy of radiopaedia

Contrast enhanced CT: Aortic intramural hematoma, Courtesy of radiopaedia

Contrast enhanced CT: Aortic intramural hematoma, Courtesy of radiopaedia

Contrast enhanced CT: Aortic intramural hematoma, Courtesy of radiopaedia

Contrast enhanced CT: Aortic intramural hematoma, Courtesy of radiopaedia

Disease Name	Age of Onset	Gender Preponderance	Signs/Symptoms	Imaging Feature(s)	Macroscopic Feature(s)	Microscopic Feature(s)	Laboratory Findings(s)	Other Feature(s)	ECG view