28 results
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... ultrasound; MRA; abdominal ... #Diagnosis #Causes ... #Screening #Workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... K), H. pylori test ... thyroid function test ... #Diagnosis #Causes
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Diagnosis Framework ... did not yield a diagnosis ... • Splenomegaly/Abscess ... #Differential #
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Diagnosis Algorithm ... Skin Infection Abscess ... • Thoracic • Abdominal ... • Sickle Cell disease
Causes of Intestinal Obstruction - Differential Diagnosis
Lesions Extrinsic to the Intestinal Wall:
 • Adhesions: Postoperative, Congenital,
Causes of Intestinal ... Obstruction - Differential ... Diagnosis Lesions ... abscess, "Starch ... Inflammatory: Crohn's disease
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... • Inflammatory disease ... Urethral stricture/valves ... /phimosis #Diagnosis ... Postrenal #Failure #Differential
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
most common causes ... more than one cause ... auscultatory percussion, abdominal ... of underlying disease ... Jcortesizaguirr #Ascites #workup
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea - Workup ... hydrogen breath test ... colonoscopy), Abdominal ... testing for celiac disease ... #diagnosis #differential
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... hallmark for the disease ... If the value is ... WBC count and differential ... #Workup #Hematology
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
from a group to assess ... who test positive ... how related two values ... but not on the causal ... #calculations #diagnosis