39 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner syndrome ... (e.g., fever, myalgia ... CNS infection (e.g ... arteritis • Acute
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Blood Cell (RBC) Morphology ... Atlas • Microcytic ... Malignant tumors, Acute ... #Atlas #key #diagnosis ... #differential #hematology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
- Differential Diagnosis ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... AIN) • Drugs (e.g ... #nephrology
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
assessment - Vital signs ... Relevant drug levels (e.g ... Trauma - Acute ... /severe headache ... rigidity) Consider EEG
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential Diagnosis ... Thrombocytosis): • Acute ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... #Causes #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
• Vascular (e.g ... • Infection (e.g ... • Neurologic (e.g ... • Chemical (e.g ... #Diagnosis
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Polyneuropathy, Acute ... stroke, Acute spinal ... polyneuropathy (e.g ... #differential #diagnosis ... #table #neurology
Hepatorenal Syndrome (HRS) - Diagnostic Criteria
HRS-AKI (Acute: previously known as HRS Type 1)
 • ↑ Creatinine
Hepatorenal Syndrome ... (HRS) - Diagnostic ... Criteria HRS-AKI (Acute ... nephrotoxics (e.g ... #HRSNAKI #hepatology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
(e.g. oculomotor ... AQP4-lgG disease; e.g ... Manifestations #diagnosis ... #neurology #symptoms ... #signs