19 results
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... by Classification ... Subclavian steal syndrome ... #Classification ... #Table #Causes
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... May be 10 (eg direct ... #Classification ... #Proteinuria #Nephrology ... #Diagnosis
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Common Medications ... Known to Prolong QTc ... #Causes #differential ... #diagnosis #pharmacology ... #table
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Kidney Injury - Classification ... a.k.a. cardiorenal syndrome ... tubular necrosis (causes ... tract infection • Medications ... #diagnosis #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... #Differential #Diagnosis ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential #diagnosis ... #table #neurology
A toxidrome is a syndrome (set of symptoms) caused by specific medications or toxins.

There are 5
toxidrome is a syndrome ... set of symptoms) caused ... by specific medications ... antihistamines #Diagnosis ... Toxidromes #Comparison #Table
Muscarinic Receptor Agonists and Antagonists 
Muscarinic Receptor Agonists
Methacholine
 • Diagnosis of bronchial airway
Carbachol
 • Glaucorna (topical
Methacholine • Diagnosis ... symptomatic bradycardia (e.g ... #Antagonists #Medications ... #Pharmacology # ... Table
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
suggestive of nephrotic sydnrome ... colored compounds (e.g ... heme, bilirubin, etc ... Urine #Microscopy #nephrology ... interpretation #diagnosis
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... White-coat syndrome ... #Differential #Diagnosis ... #indications