1322 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
• Decreased level ... ICU patients • Fever
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
Carboxyhemoglobin level ... Substantially reduced level ... of infection (fever
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
• Headache • Fever ... elevated protein level ... Normal glucose level ... meningeal signs (fever ... dL • Glucose level
Croup Diagnosis and Management Pearls
Common childhood illness, usually viral and self limiting. Characterised by a seal-like
hoarse voice +/- fever ... rhinorrhea, and fever ... cyanosis, decreased level
CGD and Mulch Pneumonitis
This acute fulminant invasive fungal pneumonia in absence of iatrogenic or exogenous immunosuppression
Lawn mowing High level ... dyspnea, hypoxia, fever
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Periodic fever ... multiorgan failure • Fever ... - Nonremitting fever ... thrombocytopenia • Liver ... ALT ↑ bilirubin level
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
virus: Headache, fever ... dysfunction, sensory level ... Hyperreflexia, sensory level
Status Dystonicus on Neurological Exam

Young man with recent onset worsening of his generalized dystonia , fever
generalized dystonia , fever ... and a CPK level ... Clinical features are fever
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Continuous Fever ... (Step ladder: fever ... Intermittent Fever ... or no fever
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... Mountain spotted fever ... , Drug fever