83 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
hypertension Management ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
LBBB Ventricular Tachycardia Criteria - Lead V1 - Telemetry Diagnosis
WCT is VT IF:
 • Initial r
Initial r wave > 30 ms ... nadir of S > 60 ms ... V1 #diagnosis #cardiology ... #ekg #ecg #telemetry
Hypertrophic Cardiomyopathy ECG and Clinical Features #HOCM #Hypertrophic #Cardiomyopathy #Diagnosis #Management #Cardiology
Cardiomyopathy ECG ... Cardiomyopathy #Diagnosis #Management ... #Cardiology
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
Rhythm (AIVR) on EKG ... complexes >120 ms ... AIVR #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Vereckie Algorithm - Lead aVR - Ventricular Tachycardia - Telemetry Diagnosis
WCT is VT IF:
 • Initial
or q wave > 40 ms ... in the last 40 ms ... in the first 40 ms ... avr #diagnosis #cardiology ... #ekg #ecg #telemetry
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
gallop • Abnormal ECG ... cardiac death Management ... Myocarditis #Diagnosis #Management ... #Cardiology
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
with QRS ≥120 ms ... pathophysiology #ekg ... #ecg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms ... interval ≥ 120 ms ... Amy Chung, MD, MSc ... Interpretation #ECG ... Electrocardiogram #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... Short QT <300-360 ms ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Compared Ambulatory ECG ... events, all (most) ECG ... Devices #Comparison #cardiology ... #management #holter