261 results
Hypokalemia on EKG 

Patient presenting with severe weakness.  Patient had GI bug with vomiting/diarrhea.
Hypokalemia on EKG ... Has flattened t-waves ... and prominent U waves ... precordial leads with long ... #ECG #Electrocardiogram
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
provide the earliest clues ... repolarization causes ... in conduction causes ... #Hyperkalemia #EKG ... #ECG #Changes #
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... • The cannon a wave ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Deep T Wave Inversions ... Juvenile T wave ... Differential #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... QRS, no P, sine wave ... dep, T inv, U wave ... Syncope #Syndromes #ECG ... #EKG #Checklist
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management Algorithm ... potassium and ECG ... amplitude of P waves ... - Absence of T wave ... diagnosis #management #algorithm
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
3 different P wave ... Secondary to chronic lung ... Cardiology #Diagnosis #ECG ... #EKG #Management
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
• Lead II - R-Wave ... aVR - Vereckie Algorithm ... #Algorithm # ... diagnosis #cardiology #ekg ... #ecg #telemetry
EKG with Cerebral T Waves in Subarachnoid Hemorrhage

ECG of a 45-year-old man who suddenly collapsed to
T Waves in Subarachnoid ... Hemorrhage ECG ... as “cerebral T waves ... There is a long ... #ECG #EKG #Electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... replaced by T wave ... voltage Other Causes ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram