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Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Faget Sign - Pulse-Temperature ... , Typhoid fever, ... , Dengue fever, ... #Sign #Pulse #Temperature ... #bradycardia #differential
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
Liebermeister's Rule Pulse-Temperature ... EVERY 1 F RISE IN TEMPERATURE ... value in pulse-temperature ... help hone your differential ... Dissociation #diagnosis #differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Differential Diagnosis ... : Temperature rises ... Faget's Sign - Temperature ... #Patterns #Differential
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... : Exercise • Temperature ... /FEVER • Sepsis ... Tachypnea #Hyperpnea #Differential
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Neutrophil (Normal) Differential ... tachycardia or fever ... • Abnormal temperature ... 33% had normal temperature ... #Bandemia #differential
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Emergencies - Differential ... death Neutropenic Fever ... • Single oral temperature ... emergencies #oncology #differential
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Actively maintained fever ... , high ambient temperature ... #Hyperthermia #Differential
Clinical Presentations Suggestive of Infectious Diarrhea Etiologies
 • Persistent or chronic diarrhea - Cryptosporidium spp, Giardia
Plesiomonas • Fever ... infections can cause fever ... general, higher temperatures ... minimal or no fever ... Diarrhea #diagnosis #differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
younger pts) Differential ... (RBCs) at cold temperatures ... Symptoms: High fevers
Growth Patterns - Molds, Yeasts and Dimorphic 
 • Mold - Arial mycelia and vegitative mycelia
environmental and body temperature ... environmental and body temperature ... environmental temperatures ... growth at both body temperature