Drugs for Coagulation Disorders Flashcards
Antiplatelet, Anti inflammatory, COX Inhibitor
Non selective COX 1 & 2 Inhibitor
Used to prevent thrombosis and inflammation
SE: HAGMA, Gatrointestinal Toxicity
Aspirin
Uncoupler of oxidative phosphorylation
Associated with Reye syndrome in children
NOT used in Gout
Aspirin
SAMTER Triad
Asthma
Aspirin Sensitivity
Nasal Polyps
SAM the ASTHMATIC is SENSITIVE to NASAL POLYPS
Acid Base abnormality for Salicylate poisoning
Respiratory Alkalosis with HAGMA
Difference bet presentation of Aspirin intoxication in Adults and Children
Adults = Mixed acid base disorder (Respiratory alkalosis with HAGMA) Kids = Pure acid base disorder (HAGMA only)
GPIIa/IIIa inhibitor
Used in PCI to prevent thrombosis
Prevents restenosis, reinfarction and death
ABCiximab
Antiplatelet (Theinopyridine), ADP inhibitor
Irreversibly inhibits binding of ADP platelet receptors reducing platelet aggregation
Has additive effect with Aspirin
Clopidogrel
Ticlopidine - Most side effects
GI and Hemorrhagic SE are common
Ticlopidine
Thienopyridine that inhibits ADPsubtype P2Y -> Allosteric Antagonist
Ticagrelor
Antiplatelet, PDE inhibitor
Inhibits Phosphodiesterase III and increase cAMP
Used in prevention of Thromboembolic complications of cardiac valve replacement
Never used alone always with Aspirin
Dipyridamole
Intermittent Claudication
Contraindicated in HF
Cilostazol
Indirect thrombin inhibitors
Heparin
Enoxaparin
Coumarin derivatives (Warfarin)
Indirect war in ox’s hip
Direct thrombin inhibitors
Lepirudin
Large acidic Parenteral ->Acts on Blood Rapid Onset -> Acute Activates Antithrombin III Monitored by PTT Can be used in Pregnancy
Heparin
Malaki at maugat ang hip ng auntie ni brad pitt kaya pwede mabuntis
Antidote for Heparin Overdose
Protamine
Small Lipid Soluble Oral -> Acts on Liver Slow -> Chronic Impairs Vit K dependent 9,10,7,2 Monitored by PT Cannot be used by Pregnant
Warfarin
Palaaway, Maliit, mabagal, mataba at kain ng kain ang pet ko na si K kaya bawal mabuntis
Antidote for Warfarin
Vitamin K (Slow), FFP (Fast)
DOC for Anticoagulation during pregnancy
Heparin
SE Heparin
Osteoporosis
Potentiates effect of antithrombin III on Factor Xa
Less risk of Thrombocytopenia
DOES NOT require aPTT monitoring
Protamine Sulfate only partially effective in reversing
EnoXAparin
Binds to Thrombin’s active site
Anticoagulation in patients with Heparin induced Thrombocytopenia, Percutaneous coronary angioplasty (with Aspirin)
Monitored with aPTT
SE: Effect prolonging antibodies
Lepirudin/ Dabigatran
Oral Direct Factor for Xa inhibitor
Prevention of Stroke Patients with Atrial Fib
Does not require monitoring, No antidotes
Used esp after hip or knee surgery
Rivaroxaban/ Apixaban
Anticoagulant overlap
to bypass initial prothrombotic effect of warfarin
CY P450 Inducers
Ethel Booba Takes Phen Phen and Refuses Greasy Carb Shakes
Ethanol Barbiturates Phenytoin Rifampicin Griseofulvin Carbamazepine St. John's Wort/ Smoking
CY P450 Inducers
Ethel Booba Takes Phen Phen and Refuses Greasy Carb Shakes
Ethanol Barbiturates Phenytoin Rifampicin Griseofulvin Carbamazepine St. John's Wort/ Smoking
CY P450 Inhibitors
Inhibitors stop Cyber Kids from Eating the Queen’s GRApefruit
Isoniazid Sulfonamides Cimetidine Ketoconazole Erythromycin Quinidine Grapefruit Ritonavir Amiodarone
Chemical Antagonist of Heparin
Used for Heparin Overdose
Protamine Sulfate
Thrombolytic
Tissue plasminogen activator analog, coverts plasminogen to plasmin
For Acute Myocardial infarction
LOSS of effectiveness on 2nd use
Alteplase/ Streptokinase/ Urokinase
Antidote for Thrombolytics (Alteplase, Streptokinase)
Aminocaproic Acid
Forms complex with endogenous plasminogen catalyzing conversion of plasminogen to plasmin
Streptokinase
Contraindication for Thrombolysis
CVD Bleed anytime CVD Infract within past year HPN >180/110 Aortic Dissection Active Internal Bleeding
Aminocaproic Acid, Antiplasmin Drug
Competitively inhibits plasminogen activation by inhibiting tPA
Prevention and treatment of ACUTE BLEEDING Episodes
Tranexamic Acid
Contraindicated in DIC
Tranexamic Acid
Endogenous Vitamin
Antidote to Warfarin
Prevention of hemorrhagic diathesis in NB
Vit K
Vit K2 - Menaquinone
Vit K3- Menadione -> Never used in Therapeautics
Phytomenadione
ADH Agonist
Vasopressin V2 Receptor AGONIST
Increases Factor 8 activity in Haemophilia A and vWF disease
Desmopressin/ Vasopressin