We are often asked about how best to calculate the QT interval. This is the simplest way.
Use leads II, V5
Count the number of small boxes for the QT
Note heart rate
Use this website, and put in the two numbers, to get QTc
T 09-980-6363. M 022-672-8255. F 09-929-3248. consult@cardiologist.co.nz. EDI: CARDINST
North Shore - Suite 109, Level 1, 119 Apollo Drive, Albany
Silverdale - Northern Specialist Centre @Beyond; 5 Painton Road, Silverdale.
Central Auckland - 110 Specialist Centre @ Beyond;v110 Grafton Road, Grafton
East Auckland - East Care Specialist Centre, 260 Botany Road, Howick, Manukau
We are often asked about how best to calculate the QT interval. This is the simplest way.
Use leads II, V5
Count the number of small boxes for the QT
Note heart rate
Use this website, and put in the two numbers, to get QTc
Most Patient would be asymptomatic when presented to the GP Practice. Hence ECG performed at the time would not normally demonstrate arrhythmia
Key is to identify high risk features on ECG
Read moreECG interpretation could be difficult, but a simplified approach would serve us well 95% of the time. Here is my approach:
Read more32-year-old man presented with cough, breathlessness on exertion and interscapular pain. His ECG was as below.
- Reassure
- CXR, reassure
- CXR, take a more detailed history, then reassure
- CXR, full history, refer for further assessment
Read more