11 results
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
infiltration (e.g ... Marrow suppression (e.g ... Index > 3: • Acute ... Intrinsic RBC defects (e.g ... #differential #
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Volume (MCV) - Differential ... • Secondary (e.g ... RA, SLE, PRV, Chronic ... Normal RBCs • Acute ... #Differential #
Pediatric Vomiting - Gastrointestinal and Systemic Causes - Differential Diagnosis Algorithm
Hepatobiliary:
 • Acute Hepatitis
 • Acute
Systemic Causes - Differential ... Gastrointestinal - Chronic ... Diabetes/ DKA • Uremia ... Other: • Sepsis (e.g ... Psychogenic #Emesis
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... : Anemia, Arrhythmia ... Neuromuscular disease (eg ... Metabolic acidosis (eg ... #Differential #
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... Thrombocytosis): • Acute ... malignancies • Anemia ... hemorrhage) • Chronic ... inflammatory disorders (e.g
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
(Ischemia) - Acute ... • Sickle Cell Anemia ... Septic Embolism (e.g ... Fat Embolism (e.g ... Mycotic Aneurysm (e.g
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... on ECG • Conventional ... deviation) • Acute ... #ECG #EKG #diagnosis ... #differential #
Nausea and Vomiting - Differential Diagnosis Algorithm

Upper Gastrointestinal - Acute
 • Infectious Gastroenteritis
 • Gastric/Duodenal Obstruction
and Vomiting - Differential ... Diabetes/ DKA • Uremia ... Other • sepsis (e.g ... Nausea #Vomiting #emesis ... #Differential #
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Arthritis: • Acute ... or chronic infections ... joint trauma (e.g ... #Joint #Pain #MSK ... approach #workup #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... Serologic and EMG ... immunologic assay - MuSK ... inhibition - Chronic ... aspiration and acute