Dr. Gerald Diaz @GeraldMD
39.3M 14.2K 7.5K
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
fibrillation and ... atrial flutter ... Digoxin effect on ECG ... biphasic T waves - Short ... #EKG #Cardiology
Classic Digoxin-Associated Arrhythmias
 β€’ Atrial fibrillation with an unusually slow ventricular response
 β€’ Atrial Fibrillation with
Arrhythmias β€’ Atrial ... Complete Heart Block and ... #Arrhythmias #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Multifocal Atrial Tachycardia (MAT) on EKG
 β€’ Heart rate > 100 bpm (usually 100-150 bpm)
 β€’
Multifocal Atrial ... varying PP, PR and ... #Tachycardia #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... PR, and widened ... WolffParkinsonWhite #WPW #Cardiology ... #ECG #EKG #Electrocardiogram ... #Clinical #Diagnosis
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 β€’ Inferior leads:
Counterclockwise) and ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis #comparison
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
The sensitivity and ... common finding) β€’ Atrial ... also a result of atrial ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
Accelerated Idioventricular Rhythm (AIVR) on EKG
 β€’ Regular rhythm with wide. 
 β€’ QRS complexes >120
complexes >120 ms ... origin β€’ Capture and ... #Rhythm #AIVR #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... leads except aVR and ... de pointes β€’ Short ... #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
: WPW, ectopic atrial ... 500 DANGER - Short ... QT <300-360 ms: ... #EKG #diagnosis ... #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 β€’ ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... WPW - delta wave and ... Syncope #Syndromes #ECG ... #diagnosis #cardiology ... #electrocardiogram