72 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 Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... - Differential Diagnosis ... Infectious: ... : • Rheumatologic ... - Metastatic: Lung
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Differential Diagnosis ... symptoms/signs, ... nystagmus - Infection ... #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
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... drug reaction, infection ... organ-specific signs ... #Differential #diagnosis ... #hematology #eosinophilia
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