33 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... renal Mg wasting syndromes ... - Gitelman syndrome ... - Hungry bones syndrome ... #Workup #hypomg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Cerebral salt wasting syndrome ... Hypothyroidism, Stress ... , Drugs, Syndrome ... • Nephrotic syndrome ... #nephrology
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... Irritable bowel syndrome ... Malabsorption syndromes ... Irritable bowel syndrome ... #algorithm #workup
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Helminthic: Loffler syndrome ... polyangiitis (EGPA, Churg-Strauss ... Idiopathic: Acute chronic ... Hypereosinophilic syndrome ... Differential #Diagnosis #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Artery Disease • Stable ... Acute Coronary Syndrome ... Metabolic Acidosis #Chronic ... Diagnosis #Algorithm #Causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... (MS), Epidural abscess ... Guillain-Barre syndrome ... Mononeuritis multiplex, Phrenic ... Lambert Eaton Syndrome
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... vasoconstriction syndrome ... Encephalitis, Brain Abscess ... Diagnosis #Algorithm #Causes ... #neurology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
treat underlying cause ... cirrhosis, nephrotic syndrome ... Stress, Nausea, ... Pulmonary Diseases ... Algorithm #diagnosis #nephrology
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Algorithm Cardiac Causes ... • Chronic ... Acute Respiratory Distress ... Syndrome ... • Chronic Lung Infection
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... pneumonia • Chronic ... Aeruginosa - Strep ... #pulmonary #differential ... #causes #management