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Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Faget Sign - Pulse-Temperature ... Dissociation Causes ... • Infectious Causes ... Non-Infectious Causes ... #Sign #Pulse #Temperature
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 ... BPM INFECTIOUS CAUSES ... OTHER CAUSES ... #differential #causes
Fever Patterns - Differential Diagnosis Framework

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

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
PVFM) Cardiac Causes ... Hematologic Causes ... acidosis of any cause ... : Exercise • Temperature ... /FEVER • Sepsis
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Fever vs Hyperthermia ... Fever: • Regulated ... point • Body temperature ... rapidly fatal • Causes ... BrighamChiefs #Fever
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Guidelines for Crises ... Actively maintained fever ... CAUSES OF HYPERTHERMIA ... , high ambient temperature ... #Differential #Causes
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
marine microbiota & causes ... summer months temperate ... 10% Crab, few cases ... consumption First case ... Rapid onset of fever
Clinical Presentations Suggestive of Infectious Diarrhea Etiologies
 • Persistent or chronic diarrhea - Cryptosporidium spp, Giardia
Plesiomonas • Fever ... infections can cause ... fever. ... general, higher temperatures ... appendicitis • Nausea
Acute Generalized Exanthematous Pustulosis (AGEP)

AGEP is largely a clinical diagnosis based on classical skin findings in
Causes? ... patients, AGEP is caused ... Diagnostic Criteria: - Fever ... onset (temperature ... often are febrile (temperature
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
PATHOPHYSIOLOGY: The exact cause ... The mean maximum temperature ... abdominal pain, nausea ... It causes the absolute ... known pathogenic cause