179 results
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
a Prolonged PT and ... aPTT If the PT and ... Causes include : ... Pre-analytical cause ... aPTT #Prolonged #Causes
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT ... Prolonged PT and ... Pre-analytical cause ... aPTT #Prolonged #Causes
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
rigors, diarrhea, nausea ... Ddx? ... purpura fulminans) and ... cxs identify GNR and ... Rash #clinical #photo
Sebaceous hyperplasia 
 - Yellow papule 
 - Donut-shape 
 - Central umbilication 
 - Telangiectasia
Usually multiple - Causes ... actinic damage and ... Benign #Clinical #Photo
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Increased Clotting and ... factors VII, X, V and ... (Hypersplenism and ... Treat primary cause ... Coagulation #diagnosis #causes
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... and Venous Thrombosis ... artery aneurysm: Causes ... intravascular coagulation (DIC ... MAHA: TTP, HUS, DIC
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
e.g NSAlDs) 3) FIX ... are caused by prerenal ... the urine output and ... CONSIDER INTRINSIC CAUSES ... for WBCs, RBCs, casts
Hand, Foot, and Mouth Disease: A febrile illness (caused by Coxsackie Virus) associated vesicle formation on
Hand, Foot, and ... febrile illness (caused ... formation on the hands ... , feet, and mouth ... Vesicle #UCSDH #Photo
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
is continuous and ... with infection and ... Cranial nerve IX ... reflux • Head and ... To Narrow Down Ddx
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
function of the DIP ... Finger deformity caused ... distal to the DIP ... Exam: Swollen and ... Diagnosis #Management #Hand