11 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
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
assessment - Vital signs ... - CBC with differential ... Relevant drug levels (e.g ... presentation in winter ... rigidity) Consider EEG
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... V2 • Wellens sign ... pain • Wellens sign ... #Equivalents #ECG ... #EKG #diagnosis
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
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
• Meningeal signs ... Systemic symptoms and signs ... (e.g., fever, myalgia ... lesion • CNS infection ... (e.g., meningitis
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
Diagnostic Approach and Differential ... than one cause (e.g ... findings: Fluid wave ... dullness, puddle sign ... incisional). 3) 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 ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... GCA #Temporal #Signs
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
monoxide (eg, furnaces ... living conditions (eg ... vascular diseases (eg ... headache #redflags #signs ... #symptoms #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
syndrome, rheumatoid arthritis ... life-threatening Differential ... Serologic and EMG ... test - Cogan sign ... - Peek sign
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Enteroviruses (e.g ... - Jamestown Canyon ... parenchymatous (tabes ... Acute meningeal signs