35 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
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
Lelli's Test (Lever ... #Lellis #Test #Lever ... #Injury #acl #anterior ... ligament #clinical #video ... #physicalexam #
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Effusion - Differential ... Diagnosis Infectious ... : • Rheumatologic ... Mediterranean Fever
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... SLE) - Viral infections ... APLS • Acute Infectious ... mountain spotted fever ... #rheumatology #
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential ... • Exercise • Fever ... HSP • Post-infectious ... #Differential #
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... infectiosum • Fever ... acute rheumatic fever ... #differential #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... procedures - Infection ... (CVID, WAS), (neurologic ... Platelet #Disorders #Differential ... #Workup #hematology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Fever/Chills/Joint ... Acute rheumatic fever ... diagnosis #msk #physicalexam
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... : fever, immunocompromise ... glaucoma: unilateral anterior ... thrombophilia, neurologic ... Dangerous #Deadly #Differential
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
symptoms, fever ... ) • Headache, fever ... neurological symptoms • Caused ... Meningitis: • Fever ... Tuberculosis #diagnosis #differential