1420 results
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Sinus Rhythm - ECG ... ECG Recognition: ... V6 (in 12-lead ECG ... biphasic (positive-negative ... #ecg #electrocardiogram
There are two patterns of T-wave abnormality in Wellens’ syndrome:
-Type A = Biphasic, with initial positivity
positivity & terminal negativity ... Diagnosis #Cardiology #ECG ... #EKG #Wellens #
Dextrocardia on EKG
 • Limb leads look like LA ←→ RA transposition
 • V1 ←→ V2
Dextrocardia on EKG ... predominantly negative ... #Dextrocardia #EKG ... #ECG #electrocardiogram
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Atrial Flutter on EKG ... up, slow down; "negative ... • V1: Broad & negative ... Flutter #aflutter #ecg ... #ekg #electrocardiogram
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
This results in negatively-directed ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology
Vereckie Algorithm - Lead aVR - Ventricular Tachycardia - Telemetry Diagnosis
WCT is VT IF:
 • Initial
downstroke of negative ... diagnosis #cardiology #ekg ... #ecg #telemetry
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... entirely positive or negative ... positive in aVR and negative ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
from positive to negative ... Diagnosis #Cardiology #ECG ... #EKG
Wellen’s waves are biphasic with a tight positive, then negative deflection and evolve to become symmetrically
positive, then negative ... TWaves #biphasic #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... >1 of V1-V3 + negative ... Syncope #Syndromes #ECG ... #EKG #Checklist