9 results
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... syndrome - J-point ... #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 ... #ECG #EKG #diagnosis ... Interpretation #differential
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... predictor of recurrent ischemic ... aVR • Classic EKG ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Dehydration • Symptoms ... changes, stroke symptoms ... AKI, acute limb ischemia ... WBC >100k, + lab signs ... unless worrisome EKG
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
(e.g., long QT ... syndrome, ARVC) ... • Myocardial ischemia ... Digoxin toxicity Symptoms ... 300 = NSVT EKG
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
fasciculations Common Symptoms ... diagnosis: months - Criteria ... : El Escorial criteria ... EMG: LMN Signs in ... conditions listed in differential
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Cholesterol emboli syndrome ... Early embolic/ischemic ... vegetations can also ... → TEE • Duke Criteria ... ↑ ESR, CRP • EKG
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
and myalgias, symptoms ... Diarrhea can also ... saliva sample (e.g ... possibly PCR testing (e.g ... #Differential #
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 ... #rheumatology #differential