DVT Flashcards
Sequelae of DEEP VEIN THROMBOSIS
✨ PULMONARY EMBOLISM
✨ POST THROMBOTIC LIMB
Virchow’s TRIAD
🧠⚡SHE ⚡
S : Stasis
H : HYPERCOAGULABLE state
E : Endothelial Dysfunction
Virchow in MEDICINE
🌟 Virchow: FATHER OF MODERN PATHOLOGY
🌟 Virchow’s TRIAD: Stasis + Hypercoagulability + Endothelial dysfunction
🌟 Virchow’s Node: Left Supraclavicular node
🌟 Virchow’s method of Autopsy: Organs are removed 1 by 1
🌟 Virchow’s CELL: MACROPHAGE IN LEPROSY (HENSEN’S DISEASE)
🌟 Virchow’s disease: LEONTIASIS OSSEA (Symptom)
🌟 Virchow’s Line: Line from ROOT OF NOSE to LAMBDA
🌟 Virchow’s Metamorphosis: Lipomatosis in Heart and Salivary Gland
🌟 Virchow’s LAW: During CRANIOSYNOSTOSIS: Skull growth is restricted to plane perpendicular to the affected, prematurely fused suture and is enhanced in a plane parallel to it
🌟 Virchow Robin SPACE: Enlarged Peri-Vascular Spaces (EPVS) Space surrounding the blood vessels for a short distance as they enter the BRAIN
🌟 Virchow-Seckel syndrome: BIRD HEADED DWARFISM
HYPER-COAGULABLE STATES
🧠⚡CALM³ SH²APES² ⚡
- C protein deficiency
- APLA syndrome
- Leiden FACTOR V Mutation
- Malignancy
- Myocardial INFARCTION
- MTHF gene mutation
- S Protein deficiency
- Hyperhomocystinemia
- HEPARIN induced Thrombocytopenia
- Antithrombin deficiency
- Prothrombin G20210A mutation / PREGNANCY
- EIGHT Factor deficiency
- Sticky Platelet SYNDROME
- Surgery & Trauma
⚡⚡ MOST IMPORTANT RISK FACTOR for DVT
Admission into HOSPITAL for Medical (OR) Surgical Treatment
Cause of HYPER-COAGULABLE STATE AFTER SURGERY (OR) TRAUMA
Large quantity of Tissue Factors is RELEASED
⬇️
ADHESIVENESS of Platelets ⬆️
⚡⚡ MOST COMMON Congenital PROTHROMBOTIC STATE
Factor V Leiden Mutation
MAY THURNER SYNDROME
🧠⚡ MA-LE⚡
LEft Iliac Vein Thrombosis
⭐ DUE TO: Right Iliac Artery pressure
DVT is MOSTLY U/L or B/L?
U/L
⚡⚡ MOST COMMON VEIN AFFECTED IN DVT
Calf or SOLEAL Veins
⚡⚡ MOST COMMON VEINS involved in DVT leading to PULMONARY THROMBOEMBOLISM
Iliofemoral veins
(Supra-popliteal veins)
⚡⚡ MOST COMMON SYMPTOM OF DVT
⚡⚡ EARLIEST SYMPTOM OF DVT
⭐ PAIN & SWELLING
⚡⚡ MOST CONSTANT SIGN OF DVT
Limb Edema
Which DVTs are usually ASYMPTOMATIC
Calf DVT
MOSES’S SIGN
(OR)
BANCROFT SIGN
Squeezing the CALF ➡️ Pain
HOMAN’S SIGN
🧠⚡Human is DuFuR ⚡
Dorsiflexion of Foot ➡️ RESISTANCE (OR) STIFFNESS
Homan’s sign vs Hamman’s sign vs HOMAN’S Procedure
Homan Procedure: In LYMPHEDEMA management: Skin & SUBCUTANEOUS tissue is REMOVED
PHLEGMASIA CERULEA DOLENS
(PAINFUL BLUE LIMB)
🧠⚡ C = 3⚡
Major AXIAL VEIN(1) ➕ COLLATERALS (2)
Occlusion of both Superficial & Deep Venous System.of Leg
⬇️
Venous Gangrene
PHLEGMESIA ALBA DOLENS
🧠⚡ A = 1⚡
Thrombosis of
⭐ MAJOR AXIAL VEINS
⭐ COLLATERALS NOT INVOLVED
MODIFIED WELL’S CRITERIA
⭐️ ABCD(CD)E(CDE) – 4P ⭐️
⭐️Rule of 3 – Note the 3 sets of 3:
1. Bedridden for >3 days in 1 month
2. Major surgery in last 3 months
3. More than 3 cm calf enlargement ⭐️
A: Alternate diagnosis of DVT more likely (-2)
B: Bedridden recently >3 days or Big (major) surgery within 3 months (+1)
C: Cancer – treatment or palliation within 6 months (+1)
D: Deep venous involvement:
Mnemonic – CD
Collateral (non-varicose) superficial veins present (+1)
Deep venous system tenderness (+1)
E: Edema:
Mnemonic – CDE
Calf swelling > 3cm compared to other leg – measured 10 cm below tibial tuberosity (+1)
Denting (pitting) edema of involved leg (+1)
Entire leg swollen (+1)
4 P:
Paralysis, Palsy or Plaster immobilization (+1)
Previous documented DVT (+1)
🩺 IOC for DVT
🩺 IOC for PULMONARY EMBOLISM
⭐ Duplex Scan
(Color Doppler ➕ B-mode USG)
⭐ CT ANGIOGRAPHY
INDICATIONS of MRI in DVT
DVT in ILIAC or FEMORAL VEIN
GOLD STANDARD INVESTIGATION for DVT
GOLD STANDARD INVESTIGATION for PULMONARY EMBOLISM
⭐ VENOGRAPHY
⭐ PULMONARY ANGIOGRAPHY
💊💉 MANAGEMENT of DVT
✨ 1st 5 DAYS
✨ Next 5 DAYS
✨ 1st EPISODE
✨ RECURRENT
⭐ ANTICOAGULATION
✨ 1st 5 DAYS
🎯 WARFARIN ➕ HEPARIN (LMWH)
✨ Next 5 DAYS
🎯 WARFARIN
✨ 1st EPISODE
🎯 WARFARIN X 3 months
✨ RECURRENT
🎯 LIFELONG WARFARIN
TRANSIENT PROTHROMBOTIC STATE is seen with
WARFARIN
⭐ Fall in Protein C & Protein S
Warfarin Therapy is MONITORED by
INR