11 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
deficiency of FVII ... Congenital intrinsic coagulation ... intravascular coagulation ... Prolonged #Causes #diagnosis ... differential #hematology #coagulation
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... , FVII, FIX, FX ... production Fll, FV, FVII ... Prolonged #Causes #diagnosis ... differential #hematology #coagulation
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
The coagulation ... complexes with FVIIa ... TF-FVIIa also activates ... #Coagulation #Cascade ... clot #PT #PTT #diagnosis
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Intravascular Coagulation ... levels of factors VII ... is simultaneous coagulation ... Thromboembolism (7%) • CNS ... #diagnosis #causes
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
peripheral lesion of CN ... VII, the facial ... VII, exemplified ... #CNVII #CN7 #Peripheral ... Palsy #Neurology #Diagnosis
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... inhibitor of a coagulation ... evaluation of factor VII ... intravascular coagulation ... #Differential #Diagnosis
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
In this video, you ... cranial nerves VII ... CN VII (facial weakness ... “mee-mee-mee;” CN ... PhysicalExam #Clinical #Video
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
or abruptly • CN ... dysfunction: II/VI/VII ... #Tuberculosis #diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... cranial nerves V and VII ... auditory nerve (CN ... #Differential #Diagnosis
Lightning Strike Electrical Injury
Types of Lightning Strikes: Direct, Side Splash, Contact injury, Ground current
ELECTRICAL INJURIES: Primary
VASC: necrosis, coagulation ... CNS- stroke, seizure ... Injury #clinical #video