85 results
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... priapism • Lab values ... WBC >100k, + lab signs ... sudden death • Lab values ... unless worrisome EKG
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... carotid sinus syndrome ... orthostatic vital sign ... and an initial ECG ... The treatment strategy
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... differential #diagnosis #table
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Treatment depends ... maintained fever CAUSES ... hyperthermia crisis (late sign ... • Serotonin syndrome ... #Differential #Causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... values. 3. ... hypertension and signs ... renal bruit or signs ... White-coat syndrome
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... vasoconstriction syndrome ... vasoconstriction syndrome ... #headache #signs ... #symptoms #clues
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
21 • Noonan Syndrome ... • Prader-Willi Syndrome ... • Turner Syndrome ... Panhypopituitarism Treatment ... endocrinology #causes
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
IV Mg infusion (e.g ... - Tumor lysis syndrome ... High #Magnesium #Table ... #Causes #Management
Myocardial infarction:
Classified into 5 types based on etiology and circumstances:

Type 1: Spontaneous MI caused by ischemia
Spontaneous MI caused ... intervention (signs ... infarction with cTn values ... bypass grafting (signs ... infarction with cTn values
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... - Malignancy (e.g ... CNS pathology (e.g ... Differential #Diagnosis #Table ... #Causes #Sodium