16 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Serial EKGS in pts ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... (5%): PAN > GPA ... (3%) • Infections ... dermatology #semiology #signs ... #lesions #diagnosis
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... Devpriyo Pal @drdevrad ... #diagnosis #clinical ... #radiology #ChestCT ... #pathophysiology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Polyarteritis Nodosa (PAN ... Viral replication causes ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Triage EKG (no prior ... Differential/diagnosis ... seen in 34% of cases ... #EKG #Electrocardiogram ... #clinical #cardiology
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... respiratory tract infections ... periumbilical region), nausea ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... have no pain - LAD ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... Polyarteritis Nodosa: • PAN ... tract, and often causes
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
40% of patients diagnosed ... Signs of immunodeficiency ... to produce all classes ... (e.g. bacterial ... Agammaglobulinemia #XLinked #pathophysiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung Abscess Pathophysiology ... : • Vasculitis ... (e.g., Granulomatosis