10 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... atrial activation from ... #AWaves #diagnosis ... #cardiology #CVP
ST depression & T wave inversion causes #Pathophys #Diagnosis #Cardiology #MedStudent #EKG #Differential #TWI #STD #TWaveInversion
inversion causes ... #Pathophys #Diagnosis ... #Cardiology #MedStudent ... #EKG #Differential ... Strain #Digitalis #ECGEducator
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 ... to diagnose the ... excludes other differentials ... PhysicalExam #JVP #Cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
3 - diffuse T wave ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology ... #EKG #Pericarditis ... #Spodick #ECGEducator
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
• Sgarbossa criterion ... indistinguishable from ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
atrial injury from ... diagnosis includes ... aVR • Classic EKG ... #ekg #differential ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
3 different P waves ... longer pause 2º ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
Right to Left from ... - Most Common Cause ... Artery #Embolism #diagnosis ... #differential # ... #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
300 = NSVT EKG ... opposite direction from ... Diagnosis: • PAC ... #differential # ... cardiology
The modified Sgarbossa Rule uses proportions to identify acute AMI in the setting of ST-elevations in
Sgarbossa Rule uses ... ST-elevation / S-wave ... indicative of acute MI #Diagnosis ... #EM #Cardiology ... Modified #Sgarbossa #Criteria