11 results
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 ... #Diagnosis #Algorithm ... #Causes #OBGyn
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Diagnosis Algorithm ... Gonadal Dysgenesis (e.g ... • Functional (e.g ... #Diagnosis #Algorithm ... #Causes #OBGyn
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... #differential # ... diagnosis #table ... #neurology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Diagnosis Algorithm ... Neoplastic / Hematologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome ... #Diagnosis #Algorithm
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... symptoms and signs (e.g ... CNS infection (e.g ... #Diagnosis #Algorithm ... #neurology #PHANTOMS
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Diagnosis Algorithm ... • Cell Lysis (e.g ... IntercellularShift #Nephrology ... Diagnosis #Algorithm
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Diagnosis Algorithm ... concentration (e.g ... Recovery from Acute ... #Polyuria #Nephrology ... Diagnosis #Algorithm
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Diagnosis Algorithm ... • Fanconi's syndrome ... Protein deposition (eg ... #Proteinuria #Nephrology ... Diagnosis #Algorithm
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Diagnosis Algorithm ... • Low EABV (e.g ... IntercellularShift #Nephrology ... Diagnosis #Algorithm
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Blood transfusion, Hypercalcemia ... Reversible course Differential ... , ADEM, Acute toxic ... • EEG: With persistent ... #neurology