14 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #PhysicalExam #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... • The cannon a wave ... SVT (e.g., junctional ... 2LmUODZ #Cannon #AWaves
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Juvenile T wave ... repolarization Myocardial ischemia ... #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... than QRS - deWinter ... T waves - starts ... #ECG #EKG #diagnosis ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... J point • De Winter ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
3 different P waves ... longer pause 2º ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... overdose: Prominent R wave ... aVR • Classic EKG ... prominent terminal R wave ... #AVR #leadAVR #ecg
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
WOBBLER for ECG ... patient, going from ... dysrhythmia or ischaemia ... Mnemonic #Syncope #EKG ... #ECG #Diagnosis
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... • Myocardial ischemia ... 300 = NSVT EKG ... No associated P-wave ... , and the T-wave
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
incoming current from ... P wave is hidden ... as 'pseudo-s' wave ... and 'pseudo-r' wave ... ECG usually shows