34 results
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... Electrocardiogram #ekg ... #ecg #toxicology ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
P wave and PR interval ... • The P to P interval ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... Arrhythmia* (e.g ... in relation to ECG ... #EKG #Pulmonary ... Embolism #AcutePE #diagnosis
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • Hypoxia • Pulmonary ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
P wave and PR interval ... • The P to P interval ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... interval, RAD 130 ... #AVR #leadAVR #ecg ... #ekg #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 1º - long PR intervals ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
: - EKG changes ... their validity (e.g ... clinical context & EKG ... #Hypokalemia #Management ... #CriticalCare
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ... ECG Multifocal ... tachycardia ECG ... P P, RR and PR intervals ... #diagnosis #ekg