11 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... excludes other differentials ... #JVP #Cardiology ... #Neck #Frog #Sign
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... tachycardia ddx: AVNRT ... #AVR #leadAVR #ecg ... #ekg #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... indistinguishable from ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... #Ischemia #ECG ... #EKG #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Diagnosis Framework ... STE: "Pardee's sign ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... longer pause 2º ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #differential
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... The "double PCL sign ... Differential diagnosis ... BucketHandle #Tear #knee ... #diagnosis #msk
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... heart disease Causes ... 300 = NSVT EKG ... #differential # ... cardiology
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
Signs of congestion ... importantly, bedside ultrasound ... ECG is vital while ... the determined cause ... #diagnosis #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... Enteroviruses (e.g ... parenchymatous (tabes ... Acute meningeal signs ... bacterial from