38 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... urine • 1ml blood ... #Diagnosis #causes ... #urology #nephrology ... #renal #urine #blood
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... Diagnosis Framework ... Hypovolemic shock (blood ... • Brainstem pathology ... #Diagnosis #pulmonary
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... pathology • Malignancy ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... pathology • Malignancy ... #Hyponatremia #Nephrology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Diagnosis by Mechanism ... Decr Blood Pressure ... hemorrhage) - Pulmonary ... #Causes #Sodium
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... • Severe diarrhea ... exacerbation (any cause ... obstruction to blood ... flow) - Massive pulmonary
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential ... Diagnosis Algorithm ... Red blood cells ... on urine microscopy ... #Causes
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
disease Red blood ... edgarvlermamd - Nephrology ... #Differential # ... Microscopy #Diagnosis ... #Nephrology
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Causes of Wide Pulse ... conditioned athletes Pathologic ... anemia (reduced blood ... - Chronic pulmonary ... #Diagnosis #causes
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Diagnosis Algorithm ... NGT suction - Diarrhea ... smooth muscle cells ... Pathophysiology #Nephrology