11 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases, the P wave ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia ... 3 different P waves ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... Fusion beats - a sinus ... VT #VTach #SVT #Comparison ... #ekg #cardiology ... #diagnosis #electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Adrenergic Drive: • Sinus ... Tachycardia (most ... • Dominant R Wave ... AcutePE #diagnosis #cardiology ... #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
aVR • Classic EKG ... findings: Sinus ... #electrocardiogram ... #diagnosis #ekg ... #differential #cardiology
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal atrial tachycardia ... atrial #rhythm #tachycardia ... #cardiology #diagnosis ... #ekg #electrocardiogram ... #clinical #comparison
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases, the P wave ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
STE: "Pardee's sign ... bundle-branch block; and sinus ... tachycardia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram