44 results
Non-ACS Myocardial Injury - Elevated Troponin Differential Diagnosis and Workup Algorithm

 • Chronic Myocardial Injury: End
Elevated Troponin Differential ... Chronic Myocardial Injury ... Shock, Hypoxemia, Anemia ... Toxins, Contusion/Trauma ... Elevated #Troponin #Differential
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... Reactive: • Anemia ... rheumatologic, trauma ... Thrombocytosis #Differential ... causes #Platelets #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Post-op surgery • Trauma ... Iron deficiency anemia ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Clinical image showing neck seat belt sign (diagonal abrasions are present along the course of the
seat belt sign are ... carotid artery injury ... carotid artery injury ... #EM #Clinical #Trauma ... emergency #Neck #Photo
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
particular degree of anemia ... Index < 2: • Anemia ... Acute blood loss: Trauma ... Production #Index #hematology ... #anemia #differential
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Iron deficiency anemia ... endocarditis • Trauma ... renal failure • Uremia ... Systemic #Secondary #dermatology ... #Differential #
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Physical: • Trauma ... • Sickle Cell Anemia ... ulcerative #skinrash #dermatology ... #Differential #
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
• Mechanical Trauma ... lactam antibiotics are ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
Schistocytes are ... In the right photo ... seen in hemolytic anemias ... microangiopathic hemolytic anemia ... is mechanical trauma
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... • Hemolytic Anemias ... - Pernicious anemia ... Demand ischemia • Trauma ... Dehydrogenase #Elevated #differential