30 results
EKG showing prominent U waves due to hypokalemia. Serum potassium 2.0. 

#EKG #emergencymedicine #criticalcare #cardiology #internalmedicine
#criticalcare # ... cardiology #internalmedicine ... #EM #diagnosis ... #Electrocardiogram ... #ECG #UWaves
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
"Sinus Tach" at ... look for flutter waves ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial ... complex (PAC) - ECG ... look like the sinus ... #complexes #cardiology ... #ecg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (3) SVTs - atrial ... 3 different P waves ... #electrocardiogram ... #cardiology #differential
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
narrow-based T Waves ... QRS widening • Sinus ... of conduction block ... #ECG #electrocardiogram ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
presence of AV block ... Wandering Atrial ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Serial EKGS in pts ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... • Saw-Tooth = Atrial ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
during sinus rhythm ... • Inverted P waves ... #rhythm #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Wandering atrial pacemaker - ECG Diagnosis
 • The change in P wave contour is gradual
 •
Wandering atrial ... pacemaker - ECG ... The change in P wave ... #pacemaker #cardiology ... #ecg #electrocardiogram