46 results
Coagulation Cascade and Anticoagulant Sites of Action

- Amy Chung, MD, MSc https://twitter.com/AmyChung

#AntiCoagulation #Cascade #Anticoagulants #Medications #Pharmacology
twitter.com/AmyChung #AntiCoagulation ... #Medications #Pharmacology ... Mechanisms #DOAC #Hematology
Oral anticoagulant dosing and bridging for VTE

- Dr. Joseph Shatzel @Clotmaster 

#VTE #DOAC #Bridging #Dosing #Oral
Anticoagulant #Anticoagulation ... #Loading #DVT #Pharmacology ... #Hematology
Switching Between Anticoagulants and DOACs
VKA, Dabigatran, Rivaroxaban, Apixaban, Edoxaban, Betrixaban, DOAC, Parenteral anticoagulant

DOI: 10.1161/JAHA.120.017559

#Anticoagulants #DOACs #anticoagulation
Anticoagulants #DOACs #anticoagulation ... #Switching #hematology ... #pharmacology
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Megaloblastic Anemia ... Microangiopathic hemolytic anemia ... Autoimmune hemolytic anemia ... Alcohol abuse, Heavy ... Smear #Analysis #hematology
Anticoagulants Common Reversal Agents
 - Warfarin (Coumadin) → Vitamin K (Phytonadione), 4-factor PCC (Kcentra)
 - Heparin/LMWH
PCC (Kcentra) #anticoagulation ... #doac #noac #pharmacology ... #hematology #reversal
Bleeding risk calculators - HAS-BLED (atrial fibrillation) and IMPROVE (VTE prophylaxis for inpatients)
Important notes:
 • No
bleeding risk tools have ... clinical benefit of anticoagulation ... of withholding anticoagulation ... #Calculators #Anticoagulation ... #Factors #Hematology
Managing warfarin INR

Warfarin dosage must be individualized according to the patient's response to the drug, and
Over-anticoagulation ... management #algorithm #pharmacology ... decisionaid #cardiology #hematology
CHA2DS2VASc vs HAS-BLED scores for stroke risk and bleed risk on anticoagulation

C	Congestive Heart Failure	1

H	Hypertension	1

A2	Age >75	2

D	Diabetes Mellitus	1

S2	Stroke,
bleed risk on anticoagulation ... Bleeding history/anemia ... Stroke #Bleed #Anticoagulation ... AFib #Diagnosis #Hematology
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Fluid-filled Rash ... Subepidermal blisters have ... #Diagnosis #Dermatology ... #Rash #FluidFilled
DRESS Syndrome vs SJS/TEN
DRESS
 • Latency: 2-8 weeks
 • Rash: Morbilliform
 • Mucosal involvement: 50% have
: 2-8 weeks • Rash ... involvement: 50% have ... : 4-28 days • Rash ... involvement: >90% have ... comparison #table #dermatology