9 results
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... ’s and T’s Hypovolemia ... Hypothermia Toxins, Tamponade ... #Differential #Diagnosis ... #Table #CardiacArrest
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Hyperreflexia: • Hypocalcemia ... Hyperreflexia #Testing ... #diagnosis #table ... #neurology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... hypomagnesemia), Eating ... megaloblastic anemia ... #Causes #differential ... #diagnosis #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... tourniquet / IVF line draw ... only if no clear cause ... Elimination (see Table ... Treatment #potassium #nephrology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... Demyelinating disease caused ... of serum CrAg testing ... comparable to CSF testing ... InfectiousDiseases #Neurology
Alexia Without Agraphia
Alexia without agraphia is a disconnection syndrome where patients cannot read but can write.
Alexia without ... the most common cause ... Pathophysiology: PCA ... Agraphia #clinical #neurology ... #diagnosis #pathophysiology
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic ... confirmed via genetic testing ... continued in most cases ... #diagnosis #differential ... #algorithm #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... Present (Uosm ≥100): Hypovolemia ... #differential #diagnosis ... #table #sodium ... #nephrology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Putrid sputum/sour-tasting ... Leukocytosis, anemia ... of PCN allergy ... #differential #causes