33 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Relative - Normal ... Positive - Low/Normal ... Saturation 90%, Abnormal ... carboxyhemoglobin, Abnormal ... Heart Disease Abnormal
Causes of Metabolic Acidosis - Gap and Non-Gap - Differential Diagnosis Algorithm
 • Elevated Anion Gap
Causes of Metabolic ... Diagnosis Algorithm ... Gain of H+) • Normal ... AnionGap #NonGap #Nephrology ... #Causes
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
- Differential ... Diagnosis Algorithm ... High Prolactin + Normal ... High Prolactin + Normal ... Endocrinology #Causes
Causes of Acute Pediatric Cough - Differential Diagnosis Algorithm
No Fever, No Tachypnea
 - Normal Chest Auscultation
Causes of Acute ... Diagnosis Algorithm ... Tachypnea - Normal ... Chest Auscultation ... Tachypnea - Normal
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... Diagnosis Algorithm ... in cough) • Abnormal ... exam, etc) • Abnormal ... #causes
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... Elevated PTH (High or normal ... renal, Bladder, Breast ... #causes #endocrinology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
electrolytes, urea ... investigations abnormal ... clinical context and signs ... Diagnosis #nephrology ... #causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... Hyperplasia • Normal ... Al, Normal R - ... #nephrology #causes
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - Diarrhea pH Normal ... #Causes #Workup ... #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses: • Normal ... #causes #potassium ... #low #nephrology