6 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 ... excludes other differentials ... ’s called Frog sign ... Cardiology #Neck #Frog #Sign
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... #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 ... #EKG #diagnosis ... Interpretation #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Enteroviruses (e.g ... - Jamestown Canyon ... Coltivirus Symptoms ... influenzae Symptoms ... Acute meningeal signs
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
those coming off aorta ... systemic sx + signs ... very remarkable w/differential ... GCA #Temporal #Signs ... #Symptoms #Diagnosis
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Risk Factors Carbon ... with the same symptoms ... equipment producing carbon ... headache #redflags #signs ... #symptoms #differential