Quick Question Archive

June 2025 Quick Question: Fibrinolysis

Our June 2025 Quick Question asks, Which fibrinolysis component directly digests fibrin? Please find the question on the right side of the “Posts” menu and make your selection. As always, we invite your comments using the function below.

Quick Question Archive

May 2025 Quick Question Summary

Our May 2025 Quick Question was meant to be a brain teaser inspired by Dave McGlasson’s December 2023 Clot Club entry, “Do We Need to Standardize Coagulation Nomenclature in Today’s Laboratory Environment?” The question listed several assays that use the letter C. “Which is the routine assay for inflammation?” It seems that only four of […]

Quick Question Archive

May 2025 Quick Question: Terminology

Our May 2025 Quick Question is a brain teaser inspired by Dave McGlasson’s December 2023 Clot Club entry, Do We Need To Standardize Coagulation Nomenclature In Today’s Laboratory Environment? The question lists several assays that use the letter C. Please select the one that answers, “Which is the routine assay for inflammation?” As always, feel […]

Quick Question Archive

April 2025 QQ Results: Measuring Warfarin in LAC Patients

Our April 2025 Quick Question asked, “How do you measure warfarin in a patient with LAC?” The poll drew 47 respondents and was a sequel to our March 2025 question, “How do you test for lupus anticoagulant?” that referenced the ISTH‘s most recent LAC guideline, Devreese KMJ, Bertolaccini ML, Branch DW, et al. An update […]

Quick Question Archive

April 2025 Quick Question: How to Measure Warfarin in a LAC Patient

Our April 2025 Quick Question is a poll that asks, “How do you measure warfarin in a patient with lupus anticoagulant (LAC)?” This question is a sequel to our March 2025 question, “How do you test for lupus anticoagulant?” that references the ISTH‘s most recent LAC guidelines, Devreese KMJ, Bertolaccini ML, Branch DW, et al. […]

Lupus Anticoagulant

March 2025 Quick Question: LAC Testing Outcome

Our March 2025 Quick Question asked, “How do you test for lupus anticoagulant?” The question drew 38 responses. DRVVT Screen/Confirm only: 4 (11%) PTT Screen/Confirm only: 2 (5%) First DRVVT S/C then PTT S/C if pos: 1 (3%) First PTT S/C then DRVVT S/C if pos: 3 (7%) Both DRVVT S/C & PTT S/C: 27 […]

Lupus Anticoagulant

March 2025 Quick Question: LAC Testing

The March 2025 QQ is now available to answer, it is a poll to learn how we perform lupus anticoagulant testing. If you have an alternative, please answer in the Comments section below.

February 2025 Quick Question: FXIII Deficiency

Our February 2025 QQ was a quiz that asked, “What factor deficiency is associated with poor wound healing?” The question attracted 60 participants who answered… FII: 4 (7%) FV: 5 (8%) FVIII: 9 (15%) FIX: 3 (4%) FXIII: 39 (65%) The large majority is correct. Here is the abstract from Luyendyk JP, Flick MJ, Wolberg AS. […]

Bleeding Disorders

February 2025 Quick Question

Our February 2025 Quick Question is a quiz that asks “What factor deficiency is associated with poor wound healing?” You may answer on the right and if convenient, add your comments below and watch for the results on or after March 1.

January 2025 Quick Question: PFA 100/200

Our January 2025 Quick Question asked: “To test for platelet function, how do you report PFA-100/200 collagen-epi (CEPI) and collagen-ADP (CADP) results?” Here are the responses from 35 participants: CEPI only, Neg/Pos: 1 (3%) CEPI only, CT seconds: 2 (6%) CEPI & CADP, Neg/Pos: 3 (9%) CEPI & CADP, CT: 23 (66%) We use the […]

Quick Question Archive

Load more

George Fritsma is a medical laboratory scientist, educator, and author. George holds faculty appointments with Rutgers University and Michigan State University, and is a member of the International Society on Thrombosis and Hemostasis, American Association of Clinical Chemists, and American Society for Clinical Laboratory Science.

Cheat Sheets from George

Quick Question