19 results
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Falciparum Blood Smear ... multiples per RBC ... P. falciparum causes ... human malaria cases ... rare in blood smears
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Normochromic RBCs on Smear ... RBCs Decreased RBC ... Spherocytes on Smear ... Disorder • RBC ... Diagnosis #Algorithm #Causes
Major Clinical Trials and Evidence Summary for Transfusion Thresholds in Critical Care

TRICC - NEJM 1999 -
Care TRICC - NEJM ... - ICU FOCUS - NEJM ... studies show that PRBC ... unnecessary and cause ... VisualAbstract #Trials #PRBC
Urinary Tract Tuberculosis - Contrast-enhanced computed tomography (CT) of the abdomen showed mild dilatation of the
computed tomography (CT ... excretory phase on CT ... Radiology #Pathology #CT ... Tuberculosis #Pyuria #Smear ... AcidFastBacilli #Microscopy #NEJM
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
↑ LDH • Anti-RBC ... C3d • Blood smear ... 2) LOOK FOR a cause
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Normal Blood Smear ... Neutrophils - Low RBC ... Diagnosis #Algorithm #Causes
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
(proteinuria, RBC ... casts, dysmorphic ... → CT urography and ... Nephrology if cause
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
(RBC = red blood ... ordering a peripheral smear ... the most likely cause ... recovery also causes
Decompression Sickness - The physical examination revealed diffuse violaceous skin mottling over his trunk and arms
extent of the nausea ... #Pneumatosis #CT ... #NEJM
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Hematologic disease caused ... anorexia, ARDS ​• RBC ... phase: Peripheral smear