58 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... Causes: Mucormycosis ... Dermatomyositis, Lung ... Reverse #Halo #Sign
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Consolidations - "Shred" sign ... Respiratory Distress Syndrome ... #differential #diagnosis ... #signs #Lung #POCUS
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... deposits - Post-infectious ... hematuria • Signs ... Hematuria: • Infection ... #causes #urology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... symptoms/signs, ... nystagmus - Infection ... Dizziness #Vertigo #Neurology ... #Differential #Diagnosis
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Adrenals: • Lung ... vomiting • Fatigue Signs ... Cortisol Deficiency: Signs ... Reduced libido • Signs ... #signs #symptoms
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
Approach to the Infectious ... illness What: Key signs ... define the clinical syndrome ... e.g. brain and lung ... #History #HPI #Diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... osmolarity If cause ... clinical context and signs ... • Cardio-renal syndrome ... #nephrology #causes
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
Guillain Barre Syndrome ... sensory symptoms or signs ... nervous system signs ... Recent diphtheritic infection ... #neurology #neuropathy
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... lesions • 80% with lung ... #causes #radiology ... #neurology
Fat Embolism Syndrome
Trauma to the long bone or pelvis accounts for —9096 of cases. The diagnosis
Fat Embolism Syndrome ... Trauma to the long ... accounts for —9096 of cases ... Fat #Embolism #Syndrome ... #Diagnosis #Signs