6 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... excludes other differentials ... sign! ... #Cardiology #Neck ... #Frog #Sign
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... V2 • Wellens sign ... pain • Wellens sign ... #ECG #EKG #diagnosis ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... / Don't Miss Signs ... bigger than QRS - deWinter ... #Ischemia #ECG ... #EKG #diagnosis
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Full Set of Vital Signs ... IV's, Consider IL NS ... telemetry, 12-Lead EKG ... - Distended neck ... crackles, elevated JVP
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
pulmonary etc) • CNS ... Envenomation (venom from ... Lack of UMN/LMN signs ... dystrophies Work ... electromyographic (EMG
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Enteroviruses (e.g ... Acute meningeal signs ... bacterial from ... Singh @rav7ks #CNS