10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... emphysema: no walls, central ... #Radiology #CTChest ... #Differential #Comparison
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... intravenous drug use, Central ... in up to 30% of cases ... #Endocarditis #comparison ... #table
Pertinent Chest x-ray Findings in the Trauma Patient and Implications
Respiratory distress without x-ray findings - Central
x-ray findings - Central ... nervous system (CNS ... viscus #cxr #chestxray ... #trauma #diagnosis ... #signs #radiology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... and radiographic features ... headache, altered mental ... Demyelinating disease caused ... "punched-out" cystic
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Common clinical features ... paresis) features ... Acute meningeal signs ... #neurology #meningitis
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... only if no clear cause ... Elimination (see Table ... Bicarb<22) - avoid NS ... Ca-gluconate or 1g CaCl- (central
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... This is late stage ... can identify the central ... dot sign. ... #Clinical #Radiology
Fluid Responsiveness and Fluid Tolerance Testing - OnePager Summary
Fluid resuscitation can be beneficial when required or
responsiveness enable ... cardiac output causes ... precede other signs ... Tolerance #testing #diagnosis ... #criticalcare #comparison
Hyperthermic Toxidromes
Five toxidromes may present with overlapping features: hyperthermia, rhabdomyolysis, altered mental status/seizures.
 • Sympathomimetic -
with overlapping features ... signaling in the CNS ... pharmacogenetic disease caused ... Hyperthermic #Toxidromes #comparison ... #table #diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
performed, he is unable ... describes his centrally ... Vital signs: BP ... Several of the diagnoses ... #Radiology #CTChest