29 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... : ß-blockers, CNS ... #bradycardia #Causes ... #differential # ... diagnosis #infectiousdiseases
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... • Infectious Causes ... Non-Infectious Causes ... Beta-blockers, CNS ... #bradycardia #differential
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
OTHER CAUSES ... Beta Blockers • CNS ... help hone your differential ... Dissociation #diagnosis #differential ... #causes
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... Nerve palsy • CN ... VI (Abducens) Nerve ... Skew Deviation Casey ... ophthalmology #neurology #differential
Drugs that Cause Fever
Most commonly:
Amphotericin B, Antihistamines, Asparaginase, Barbiturates, Bleomycin sulfate, Methyldopa, Penicillins, Phenytoin sodium, Procainamide,
Drugs that Cause ... Fever Most commonly ... hydrochloride #Drug #Fever ... #causes #differential ... #diagnosis #pharmacology
Causes of Hyperpyrexia (Temp > 106.7° F) - Differential Diagnosis
 • Heat Stroke
 • Drug-induced: Amphetamines,
Causes of Hyperpyrexia ... > 106.7° F) - Differential ... Thyrotoxicosis • CNS ... #Diagnosis #Causes ... #high #fever
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... • Symptoms: Fever ... • Symptoms: Fever ... , palsy of the abducens ... opportunistic #InfectiousDiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Lymphadenopathy, CNS ... factor • May cause ... AIDS #pulmonary #differential ... #diagnosis #infectiousdiseases
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic Causes ... of Dyspnea - Differential ... hernia, Obesity CNS ... poisoning, DKA, Fever ... #Differential #
Drug-Induced Seizures - OTIS-CAMPBELL

O - Organophosphate, oral hypoglycemics, opioid
T - TCA, theophylline
I - Isoniazid, Insulin
S -
, Camphor, CO, CN ... Seizures #Medication #Causes ... #Differential # ... Pharmacology #Diagnosis