27 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Measurement General ... #QTc #Interval ... #Normal #Measurement ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... Measurement in ... #Measurement #WideQRS ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
Measurement in ... intervals on the EKG ... #Rhythm #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
• Hypoxia • Pulmonary ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
Measurement in ... include it in the measurement ... #Measurement #UWave ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... atrium, PASP: pulmonary ... #Diagnosis #Cardiology ... Dysfunction #Grading #Classification ... Grades #Criteria #Table
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... with caution in pulmonary ... Control rate (e.g ... #management #cardiology
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
**Get baseline EKG ... family history) Treatment ... abnormalities - Avoid QTc ... LongQT #Syndrome #Diagnosis ... #Cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• No Treatment ... HeartBlocks #Types #Classification ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
However, when the diagnosis ... mixed, hemodynamic measurements ... cardiogenic shock (eg ... #Diagnosis #PACatheter ... #Differential #Table