31 results
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Lymphoproliferative disorder ... , Autoimmune disorder ... #hematology #diagnosis ... #comparison
SNOOP mnemonic may catch potentially life-threatening headaches
Systemic signs and disorders
Neurologic symptoms
Onset new or changed & patient
Systemic signs and disorders ... Neurologic symptoms ... patient >50 years old ... mnemonic #headaches #Differential ... redflag #dangerous #neurology
Causes of Secondary / Provoked Seizures - Differential Diagnosis Algorithm
Febrile
Infection
 • Sepsis
 • Encephalitis
 • Meningitis
Metabolic
Provoked Seizures - Differential ... Hyponatremia • Uremia ... • Conversion Disorder ... Provoked #Seizures #Neurology ... #Differential #
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Unstable hemoglobin disorders ... Cell Agglutinate: Cold ... , Paroxysmal cold ... RBC #Morphology #differential ... #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
lymphoproliferative disorder ... • Symptoms of anemia ... • hemolytic anemia ... younger pts) Differential ... #hematology #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... practices that could ... (CVID, WAS), (neurologic ... changes), high MCV anemia ... #Differential #
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... : CHF, valves, COPD ... ILD, OSA, pHTN, Anemia ... Polyneuropathy, ALS), NMJ disorder ... Diagnosis #causes #neurology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(e.g. primary cold ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Lightheadedness - Differential ... Hyperventilation • Anemia ... Anxiety • Panic Disorder ... Lightheadedness #Neurology ... #Differential #
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Agglutination - Cold ... Consider RBC membrane disorder ... Algorithm #workup #hematology