61 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... urine sediment Microscopic ... hematuria • Signs ... microscopic and ... #renal #urine #blood
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Plasmodium Falciparum Blood ... P. falciparum causes ... human malaria cases ... peripheral #clinical #microscopy ... #microbiology #
Salmonella Aspiration on Microscopy

66 y/o male with history of coronary artery disease presents with abdominal pain.
Aspiration on Microscopy ... CT abd/pelvis shows ... Is a major cause ... Salmonella #Aspiration #Microscopy ... clinical #pathology #microbiology
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... within morulae Signs ... is rare (< 10% cases ... ), cough (30% cases ... Infection #diagnosis #microbiology
Examples of varying granular and granular/waxy mixed casts: 
A: coarse granular/broad-waxy (and surrounding white blood cells);
granular/waxy mixed casts ... surrounding white blood ... cells); B: light ... Granular #MuddyBrown #Casts ... #Urine #Microscopy
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
involved in >50% of cases ... - decr blood flow ... a +ve culture Microbiology ... S.A. can also be caused ... SepticArthritis #pathophysiology
Prolymphocytes

In our case, the patient has T-prolymphocytic leukemia (T-PLL) not Acute Myeloid Leukemia (AML).  🔬Tumor
Prolymphocytes In our case ... 🔬Tumor cells are ... size lymphoid cells ... Peripheral #Pathology #Microscopy ... #Clinical #Blood
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Alwavs Repeat Blood ... Thrombocytosis: cells ... while drawing blood ... Diagnosis #Algorithm #causes ... potassium #high #pathophysiology
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Algorithm Red blood ... cells on urine ... microscopy. ... with polyangiitis/microscopic
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
cells that adopt ... These cells can ... Crises can be precipitated ... The underlying pathophysiology ... Crisis #Features #Signs