12 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
water loss, Serum Sodium ... Polyuria scheme) e.g ... mannitol, glucosuria Low ... Hypernatremia #Nephrology ... #Algorithm #Causes
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Diagnosis Algorithm ... <35 years old, e.g ... • Functional (e.g ... Stalk Damage (e.g ... #Algorithm #Causes
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Diagnosis Algorithm ... Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... • Functional (e.g ... #Algorithm #Causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Algorithm Low ... Chronic Disease (e.g ... #Algorithm #Causes ... #Hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
with Low Mean Corpuscular ... Iron Deficiency (Eg ... Other • e.g ... #Algorithm #Causes ... #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Algorithm Normal ... Increased Requirement (e.g ... #Algorithm #Causes ... #Hematology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Algorithm Reduced ... EABV (e.g., CHF ... IntercellularShift #Nephrology ... #Algorithm #Causes
Essential Thrombocythemia (ET)
ET is a chronic myeloproliferative neoplasm. Most cases are related to mutations that affect
• Thrombosis (e.g ... mutation (e.g. ... thrombocytosis (e.g ... appropriate only for low ... #hematology #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Tower sign) and low-amplitude ... dissection • Sodium-channel ... #cardiology #ecg ... #ekg #electrocardiogram
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Involves large and medium ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... identifies 85 to 95% of cases ... followed by long slow