Skip to content

PR interval

SHARE VIA:

 

ECG intervals

 

PR interval

 

Prolonged PR interval (first degree heart block) may be normal or be seen in:

  • Viral or rheumatic myocarditis and other myocardial dysfunctions
  • Certain congenital heart disease (Ebsteins, ECD, ASD)
  • Digitalis toxicity
  • Hyperkalaemia

Short PR interval occurs in:

  • Pre‐excitation (eg Wolff‐Parkinson‐White)
  • Glycogen storage disease

 

Variable PR interval occurs in:

  • Wandering atrial pacemaker
  • Wenckebach (Mobitz type 1) second degree heart block.

Author

KEEP READING

CT-seizures-2

Choosing Wisely – Viral Respiratory Panels in children with respiratory symptoms

, ,
HEADLICE HEADER

Headlice

Playing-in-harmony-HEADER

Getting everyone to sing in harmony

Choosing-wisely-AXR-HEADER

Choosing Wisely – Radiographs in children with suspected constipation

, ,
Antibiotics-in-the-EDHEADER

Antibiotics in the paediatric emergency department

, ,
Copy of Trial (1)

Bubble Wrap PLUS – September ’23

CT-seizures

Choosing Wisely – Investigations for seizures that have returned to baseline

, ,
Threadworm-HEADER

Threadworms

ikigai HEADER

Ikigai – A reflection on DFTB23

Medical clearance

Choosing Wisely – Investigations for Paediatric Patients presenting with Psychiatric Symptoms

, ,
Life-in-Art-HEADER

Life in Art

CW - CXRs

Choosing Wisely – Radiographs in children with respiratory symptoms

, ,
Breaking barriers HEADER

Breaking down barriers

Mediastinal massesHEADER

The emergency management of mediastinal masses

, ,
Pause HEADER

The Pause- a recognition of a life

,

DFTB WORLD

EXPLORE BY TOPIC