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Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
infections Intermittent ... Pyemia Malarial Intermittent ... Fevers: • Intermittent ... vivax & ovale • Intermittent ... Bradycardia: • Legionnaire's
Legionnaire's Disease - Extrapulmonary organ involvement: CNS: Mental confusion, encephalopathic, headache. Cardiac: Relative bradycardia. GI: Loose
Legionnaire's Disease ... InfectiousDisease #Legionnaires
Acute Porphyria

#Acute #Intermittent #Porphyria #Signs #Symptoms #Diagnosis
Porphyria #Acute #Intermittent
Dysphagia Differential Diagnosis Algorithm
Oropharyngeal Dysphagia
Structural
 • Tumors
 • Zenker's Diverticulum
 • Foreign Bodv
Neuromuscular Toxic/Metabolic
 • Myasthenia
Esophageal Dysphagia Intermittent ... Diabetic Neuropathy Intermittent
Dyspnea Evaluation Algorithm
Exercise Limitation:
 - None
 - Intermittent
 - Persistent - Gradual (months to years)
 -
Limitation: - None - Intermittent
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
giant A waves are "intermittent ... that they are intermittent
Dysphagia - Differential Diagnosis Algorithm
Oropharyngeal - Can't initiate swallow, Cough/nasal regurg when attempting to swallow
Esophageal
relaxation - Intermittent
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
disease, Acute intermittent
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
usually occurs intermittently
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wolff-Parkinson-White patterns Intermittent