9 results
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
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 Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
• Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... CNS infection (e.g ... ) • Temporal arteritis
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
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
headache is a symptom ... (e.g., temporal ... N Neurological signs ... confusion, focal signs ... Primary #Secondary #Comparison
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
carbon monoxide (eg ... living conditions (eg ... vascular diseases (eg ... headache #redflags #signs ... #symptoms #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Enteroviruses (e.g ... Coltivirus Symptoms ... parenchymatous (tabes ... influenzae Symptoms ... Acute meningeal signs
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
Cardiac arrhythmias (e.g ... Peripheral neuropathy (e.g ... positive Romberg sign ... - Rheumatoid arthritis ... Joint instability (e.g
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Aldolase levels • EMG ... papules and Gottron sign ... ) • Shawl sign ... • Nonerosive arthritis