14 results
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... and extrinsic pathways ... in the common pathway ... to the common pathway ... #hematology #coagulation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... deficiencies: Contact pathway ... Pre-analytical cause ... to the common pathways ... #diagnosis #differential
Review of the Coagulation Cascade
Traditional Model:
 • Parallel extrinsic and intrinsic pathways.
Contemporary Model:
 • 4 key
Review of the Coagulation ... and intrinsic pathways ... Initiation phase caused ... models (i.e. common pathway ... models #hematology #pathophysiology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
the intrinsic pathway ... the extrinsic pathway ... in the common pathway ... and extrinsic pathways ... discern these causes
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Arrhythmias - Differential ... Diagnosis Algorithm ... • Accessory pathway ... Arrhythmias #Cardiology #Differential ... #Diagnosis #Algorithm
Medical Conditions Causing Mania or Mania-Like Episodes: Pathogenesis
 • Bipolar Disorder -> Combination of individual, genetic,
neurotransmitter pathways ... methionine (SAM) pathway ... Manic #Secondary #Causes ... #Differential # ... Diagnosis #Pathophysiology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... staining): • Low Complement ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
its excretory pathway ... although hepatic causes ... namely, the many causes ... deficiency #Ammonia #Pathophysiology ... Hyperammonemia #Differential
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
activation • Complement ... the classical pathway ... (see Complement ... proliferate and differentiate ... Humoral #Immunity #pathophysiology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
function tests algorithm ... determine choice of pathway ... decision for repeat testing ... for users of the pathway ... Liver #Enzymes #Differential