53 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Infectious: Legionella ... , Non-infectious ... #differential # ... infectiousdiseases #table
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary ... • Abdominal pain ... Returning #Traveler #differential
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... dysfunction; toxic ingestions ... • Temperature/FEVER ... Anxiety, fright, pain ... Tachypnea #Hyperpnea #Differential
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Ear Pain (Otalgia ... ) - Differential ... , weight loss, fever ... the tragus to differentiate ... Otolaryngology #differential
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Hyperkalemia Pulmonary ... Diptheria • Typhoid fever ... Acute rheumatic fever ... Psittacosis • Q fever ... • Yellow fever
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Pharyngotonsillitis, scarlet fever ... Pharyngoconjunctival fever ... IDSA #diagnosis #differential ... #causes #bacteria ... #microbiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Microsporidium #Lung #Infections ... #HIV #AIDS #pulmonary ... #differential #
Aortitis - Diagnosis and Workup
Clinical History:
 - Fever, weight loss, deterioration of general health
 - Aortic
Clinical History: - Fever ... regurgitation - Pain ... Infections: Syphilis ... Diagnosis #Workup #Differential ... #Causes
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
neurologic symptoms, fever ... ) • Headache, fever ... neurological symptoms • Caused ... Meningitis: • Fever ... Tuberculosis #diagnosis #differential
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... Genitourinary Infection ... • Rheumatic Fever ... • Rheumatic Fever ... #Orthopedics #Causes